Home / 21,280,264.16-31,924,884.47-6,902,215.38

Finding the Fourth Proportional to 21,280,264.16, 31,924,884.47 and 6,902,215.38

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Solution

The fourth proportional to 21,280,264.16, 31,924,884.47 and 6,902,215.38 is: 10,354,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,264.16 : 31,924,884.47 = 6,902,215.38 : x
  2. Step 2: Convert to fraction form
    21,280,264.16/31,924,884.47 = 6,902,215.38/x
  3. Step 3: Cross multiply
    21,280,264.16x = 31,924,884.47 × 6,902,215.38
  4. Step 4: Simplify right side
    21,280,264.16x = 220,352,428,559,046.06
  5. Step 5: Solve for x
    x = 220,352,428,559,046.06/21,280,264.16
  6. Step 6: Final answer
    x = 10,354,778.82

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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.