Home / 12,097,934.40-18,146,901.60-11,817,998.40

Finding the Fourth Proportional to 12,097,934.40, 18,146,901.60 and 11,817,998.40

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Solution

The fourth proportional to 12,097,934.40, 18,146,901.60 and 11,817,998.40 is: 17,726,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,934.40 : 18,146,901.60 = 11,817,998.40 : x
  2. Step 2: Convert to fraction form
    12,097,934.40/18,146,901.60 = 11,817,998.40/x
  3. Step 3: Cross multiply
    12,097,934.40x = 18,146,901.60 × 11,817,998.40
  4. Step 4: Simplify right side
    12,097,934.40x = 214,460,054,073,757.47
  5. Step 5: Solve for x
    x = 214,460,054,073,757.47/12,097,934.40
  6. Step 6: Final answer
    x = 17,726,997.60

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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.