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Finding the Fourth Proportional to 16,767,345.70, 25,151,018.55 and 16,767,345.70

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Solution

The fourth proportional to 16,767,345.70, 25,151,018.55 and 16,767,345.70 is: 25,151,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767,345.70 : 25,151,018.55 = 16,767,345.70 : x
  2. Step 2: Convert to fraction form
    16,767,345.70/25,151,018.55 = 16,767,345.70/x
  3. Step 3: Cross multiply
    16,767,345.70x = 25,151,018.55 × 16,767,345.70
  4. Step 4: Simplify right side
    16,767,345.70x = 421,715,822,734,962.75
  5. Step 5: Solve for x
    x = 421,715,822,734,962.75/16,767,345.70
  6. Step 6: Final answer
    x = 25,151,018.55

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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.