Home / 18,904,776.10-28,391,378.55-16,553,313.70

Finding the Fourth Proportional to 18,904,776.10, 28,391,378.55 and 16,553,313.70

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Solution

The fourth proportional to 18,904,776.10, 28,391,378.55 and 16,553,313.70 is: 24,859,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,776.10 : 28,391,378.55 = 16,553,313.70 : x
  2. Step 2: Convert to fraction form
    18,904,776.10/28,391,378.55 = 16,553,313.70/x
  3. Step 3: Cross multiply
    18,904,776.10x = 28,391,378.55 × 16,553,313.70
  4. Step 4: Simplify right side
    18,904,776.10x = 469,971,395,513,601.12
  5. Step 5: Solve for x
    x = 469,971,395,513,601.12/18,904,776.10
  6. Step 6: Final answer
    x = 24,859,929.21

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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.