Home / 31,864,095.20-47,831,572.20-19,747,240.40

Finding the Fourth Proportional to 31,864,095.20, 47,831,572.20 and 19,747,240.40

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Solution

The fourth proportional to 31,864,095.20, 47,831,572.20 and 19,747,240.40 is: 29,642,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864,095.20 : 47,831,572.20 = 19,747,240.40 : x
  2. Step 2: Convert to fraction form
    31,864,095.20/47,831,572.20 = 19,747,240.40/x
  3. Step 3: Cross multiply
    31,864,095.20x = 47,831,572.20 × 19,747,240.40
  4. Step 4: Simplify right side
    31,864,095.20x = 944,541,554,943,356.88
  5. Step 5: Solve for x
    x = 944,541,554,943,356.88/31,864,095.20
  6. Step 6: Final answer
    x = 29,642,817.38

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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.