Home / 20,734,737.16-31,098,562.80-5,585,125.72

Finding the Fourth Proportional to 20,734,737.16, 31,098,562.80 and 5,585,125.72

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Solution

The fourth proportional to 20,734,737.16, 31,098,562.80 and 5,585,125.72 is: 8,376,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,737.16 : 31,098,562.80 = 5,585,125.72 : x
  2. Step 2: Convert to fraction form
    20,734,737.16/31,098,562.80 = 5,585,125.72/x
  3. Step 3: Cross multiply
    20,734,737.16x = 31,098,562.80 × 5,585,125.72
  4. Step 4: Simplify right side
    20,734,737.16x = 173,689,382,949,315.22
  5. Step 5: Solve for x
    x = 173,689,382,949,315.22/20,734,737.16
  6. Step 6: Final answer
    x = 8,376,734.25

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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.