Home / 12,262,221.60-18,393,332.40-11,996,501.10

Finding the Fourth Proportional to 12,262,221.60, 18,393,332.40 and 11,996,501.10

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Solution

The fourth proportional to 12,262,221.60, 18,393,332.40 and 11,996,501.10 is: 17,994,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,221.60 : 18,393,332.40 = 11,996,501.10 : x
  2. Step 2: Convert to fraction form
    12,262,221.60/18,393,332.40 = 11,996,501.10/x
  3. Step 3: Cross multiply
    12,262,221.60x = 18,393,332.40 × 11,996,501.10
  4. Step 4: Simplify right side
    12,262,221.60x = 220,655,632,369,265.62
  5. Step 5: Solve for x
    x = 220,655,632,369,265.62/12,262,221.60
  6. Step 6: Final answer
    x = 17,994,751.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.