Home / 13,090,132.91-18,064,211.14-7,209,654.14

Finding the Fourth Proportional to 13,090,132.91, 18,064,211.14 and 7,209,654.14

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Solution

The fourth proportional to 13,090,132.91, 18,064,211.14 and 7,209,654.14 is: 9,949,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090,132.91 : 18,064,211.14 = 7,209,654.14 : x
  2. Step 2: Convert to fraction form
    13,090,132.91/18,064,211.14 = 7,209,654.14/x
  3. Step 3: Cross multiply
    13,090,132.91x = 18,064,211.14 × 7,209,654.14
  4. Step 4: Simplify right side
    13,090,132.91x = 130,236,714,631,335.12
  5. Step 5: Solve for x
    x = 130,236,714,631,335.12/13,090,132.91
  6. Step 6: Final answer
    x = 9,949,227.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.