Home / 12,292,703.10-18,439,054.65-6,623,999.10

Finding the Fourth Proportional to 12,292,703.10, 18,439,054.65 and 6,623,999.10

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Solution

The fourth proportional to 12,292,703.10, 18,439,054.65 and 6,623,999.10 is: 9,935,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,703.10 : 18,439,054.65 = 6,623,999.10 : x
  2. Step 2: Convert to fraction form
    12,292,703.10/18,439,054.65 = 6,623,999.10/x
  3. Step 3: Cross multiply
    12,292,703.10x = 18,439,054.65 × 6,623,999.10
  4. Step 4: Simplify right side
    12,292,703.10x = 122,140,281,406,450.80
  5. Step 5: Solve for x
    x = 122,140,281,406,450.80/12,292,703.10
  6. Step 6: Final answer
    x = 9,935,998.65

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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.