Home / 13,689,660.96-20,554,677.72-7,636,219.92

Finding the Fourth Proportional to 13,689,660.96, 20,554,677.72 and 7,636,219.92

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Solution

The fourth proportional to 13,689,660.96, 20,554,677.72 and 7,636,219.92 is: 11,465,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,660.96 : 20,554,677.72 = 7,636,219.92 : x
  2. Step 2: Convert to fraction form
    13,689,660.96/20,554,677.72 = 7,636,219.92/x
  3. Step 3: Cross multiply
    13,689,660.96x = 20,554,677.72 × 7,636,219.92
  4. Step 4: Simplify right side
    13,689,660.96x = 156,960,039,454,644.16
  5. Step 5: Solve for x
    x = 156,960,039,454,644.16/13,689,660.96
  6. Step 6: Final answer
    x = 11,465,589.97

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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.