Home / 20,737,609.60-31,051,982.40-14,639,411.20

Finding the Fourth Proportional to 20,737,609.60, 31,051,982.40 and 14,639,411.20

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Solution

The fourth proportional to 20,737,609.60, 31,051,982.40 and 14,639,411.20 is: 21,920,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,609.60 : 31,051,982.40 = 14,639,411.20 : x
  2. Step 2: Convert to fraction form
    20,737,609.60/31,051,982.40 = 14,639,411.20/x
  3. Step 3: Cross multiply
    20,737,609.60x = 31,051,982.40 × 14,639,411.20
  4. Step 4: Simplify right side
    20,737,609.60x = 454,582,738,928,762.81
  5. Step 5: Solve for x
    x = 454,582,738,928,762.81/20,737,609.60
  6. Step 6: Final answer
    x = 21,920,691.33

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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.