Home / 19,890,737.20-29,808,112.20-14,732,916.40

Finding the Fourth Proportional to 19,890,737.20, 29,808,112.20 and 14,732,916.40

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Solution

The fourth proportional to 19,890,737.20, 29,808,112.20 and 14,732,916.40 is: 22,078,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,737.20 : 29,808,112.20 = 14,732,916.40 : x
  2. Step 2: Convert to fraction form
    19,890,737.20/29,808,112.20 = 14,732,916.40/x
  3. Step 3: Cross multiply
    19,890,737.20x = 29,808,112.20 × 14,732,916.40
  4. Step 4: Simplify right side
    19,890,737.20x = 439,160,425,084,420.06
  5. Step 5: Solve for x
    x = 439,160,425,084,420.06/19,890,737.20
  6. Step 6: Final answer
    x = 22,078,639.96

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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.