Home / 8,972,007.50-12,379,736.98-5,051,153.90

Finding the Fourth Proportional to 8,972,007.50, 12,379,736.98 and 5,051,153.90

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Solution

The fourth proportional to 8,972,007.50, 12,379,736.98 and 5,051,153.90 is: 6,969,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,007.50 : 12,379,736.98 = 5,051,153.90 : x
  2. Step 2: Convert to fraction form
    8,972,007.50/12,379,736.98 = 5,051,153.90/x
  3. Step 3: Cross multiply
    8,972,007.50x = 12,379,736.98 × 5,051,153.90
  4. Step 4: Simplify right side
    8,972,007.50x = 62,531,956,727,501.23
  5. Step 5: Solve for x
    x = 62,531,956,727,501.23/8,972,007.50
  6. Step 6: Final answer
    x = 6,969,672.81

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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.