Home / 19,937,129.76-29,905,691.22-4,791,061.44

Finding the Fourth Proportional to 19,937,129.76, 29,905,691.22 and 4,791,061.44

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Solution

The fourth proportional to 19,937,129.76, 29,905,691.22 and 4,791,061.44 is: 7,186,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,129.76 : 29,905,691.22 = 4,791,061.44 : x
  2. Step 2: Convert to fraction form
    19,937,129.76/29,905,691.22 = 4,791,061.44/x
  3. Step 3: Cross multiply
    19,937,129.76x = 29,905,691.22 × 4,791,061.44
  4. Step 4: Simplify right side
    19,937,129.76x = 143,280,004,040,688.56
  5. Step 5: Solve for x
    x = 143,280,004,040,688.56/19,937,129.76
  6. Step 6: Final answer
    x = 7,186,591.34

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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.