Home / 15,746,422.40-23,618,404.80-6,159,939.20

Finding the Fourth Proportional to 15,746,422.40, 23,618,404.80 and 6,159,939.20

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Solution

The fourth proportional to 15,746,422.40, 23,618,404.80 and 6,159,939.20 is: 9,239,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746,422.40 : 23,618,404.80 = 6,159,939.20 : x
  2. Step 2: Convert to fraction form
    15,746,422.40/23,618,404.80 = 6,159,939.20/x
  3. Step 3: Cross multiply
    15,746,422.40x = 23,618,404.80 × 6,159,939.20
  4. Step 4: Simplify right side
    15,746,422.40x = 145,487,937,568,988.16
  5. Step 5: Solve for x
    x = 145,487,937,568,988.16/15,746,422.40
  6. Step 6: Final answer
    x = 9,239,428.10

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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.