Home / 7,938,371.59-11,897,094.51-3,143,445.17

Finding the Fourth Proportional to 7,938,371.59, 11,897,094.51 and 3,143,445.17

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Solution

The fourth proportional to 7,938,371.59, 11,897,094.51 and 3,143,445.17 is: 4,711,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,371.59 : 11,897,094.51 = 3,143,445.17 : x
  2. Step 2: Convert to fraction form
    7,938,371.59/11,897,094.51 = 3,143,445.17/x
  3. Step 3: Cross multiply
    7,938,371.59x = 11,897,094.51 × 3,143,445.17
  4. Step 4: Simplify right side
    7,938,371.59x = 37,397,864,215,007.55
  5. Step 5: Solve for x
    x = 37,397,864,215,007.55/7,938,371.59
  6. Step 6: Final answer
    x = 4,711,024.65

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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.