Home / 28,545,237.16-39,382,778.82-16,313,381.80

Finding the Fourth Proportional to 28,545,237.16, 39,382,778.82 and 16,313,381.80

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Solution

The fourth proportional to 28,545,237.16, 39,382,778.82 and 16,313,381.80 is: 22,506,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,237.16 : 39,382,778.82 = 16,313,381.80 : x
  2. Step 2: Convert to fraction form
    28,545,237.16/39,382,778.82 = 16,313,381.80/x
  3. Step 3: Cross multiply
    28,545,237.16x = 39,382,778.82 × 16,313,381.80
  4. Step 4: Simplify right side
    28,545,237.16x = 642,466,307,235,613.50
  5. Step 5: Solve for x
    x = 642,466,307,235,613.50/28,545,237.16
  6. Step 6: Final answer
    x = 22,506,952.86

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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.