Home / 10,137,089.76-15,205,685.12-2,564,062.80

Finding the Fourth Proportional to 10,137,089.76, 15,205,685.12 and 2,564,062.80

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Solution

The fourth proportional to 10,137,089.76, 15,205,685.12 and 2,564,062.80 is: 3,846,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,089.76 : 15,205,685.12 = 2,564,062.80 : x
  2. Step 2: Convert to fraction form
    10,137,089.76/15,205,685.12 = 2,564,062.80/x
  3. Step 3: Cross multiply
    10,137,089.76x = 15,205,685.12 × 2,564,062.80
  4. Step 4: Simplify right side
    10,137,089.76x = 38,988,331,564,705.53
  5. Step 5: Solve for x
    x = 38,988,331,564,705.53/10,137,089.76
  6. Step 6: Final answer
    x = 3,846,106.97

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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.