Home / 7,148,601.43-9,865,136.02-3,885,423.83

Finding the Fourth Proportional to 7,148,601.43, 9,865,136.02 and 3,885,423.83

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Solution

The fourth proportional to 7,148,601.43, 9,865,136.02 and 3,885,423.83 is: 5,361,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,601.43 : 9,865,136.02 = 3,885,423.83 : x
  2. Step 2: Convert to fraction form
    7,148,601.43/9,865,136.02 = 3,885,423.83/x
  3. Step 3: Cross multiply
    7,148,601.43x = 9,865,136.02 × 3,885,423.83
  4. Step 4: Simplify right side
    7,148,601.43x = 38,330,234,578,299.36
  5. Step 5: Solve for x
    x = 38,330,234,578,299.36/7,148,601.43
  6. Step 6: Final answer
    x = 5,361,920.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.