Home / 8,423,975.72-12,636,000.42-2,666,737.46

Finding the Fourth Proportional to 8,423,975.72, 12,636,000.42 and 2,666,737.46

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Solution

The fourth proportional to 8,423,975.72, 12,636,000.42 and 2,666,737.46 is: 4,000,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,975.72 : 12,636,000.42 = 2,666,737.46 : x
  2. Step 2: Convert to fraction form
    8,423,975.72/12,636,000.42 = 2,666,737.46/x
  3. Step 3: Cross multiply
    8,423,975.72x = 12,636,000.42 × 2,666,737.46
  4. Step 4: Simplify right side
    8,423,975.72x = 33,696,895,664,589.73
  5. Step 5: Solve for x
    x = 33,696,895,664,589.73/8,423,975.72
  6. Step 6: Final answer
    x = 4,000,117.85

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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.