Home / 31,808,802.20-47,719,424.10-13,612,962.20

Finding the Fourth Proportional to 31,808,802.20, 47,719,424.10 and 13,612,962.20

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Solution

The fourth proportional to 31,808,802.20, 47,719,424.10 and 13,612,962.20 is: 20,422,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808,802.20 : 47,719,424.10 = 13,612,962.20 : x
  2. Step 2: Convert to fraction form
    31,808,802.20/47,719,424.10 = 13,612,962.20/x
  3. Step 3: Cross multiply
    31,808,802.20x = 47,719,424.10 × 13,612,962.20
  4. Step 4: Simplify right side
    31,808,802.20x = 649,602,716,479,069
  5. Step 5: Solve for x
    x = 649,602,716,479,069/31,808,802.20
  6. Step 6: Final answer
    x = 20,422,105.57

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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.