Home / 15,397,861.32-21,246,823.80-8,522,326.98

Finding the Fourth Proportional to 15,397,861.32, 21,246,823.80 and 8,522,326.98

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Solution

The fourth proportional to 15,397,861.32, 21,246,823.80 and 8,522,326.98 is: 11,759,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,861.32 : 21,246,823.80 = 8,522,326.98 : x
  2. Step 2: Convert to fraction form
    15,397,861.32/21,246,823.80 = 8,522,326.98/x
  3. Step 3: Cross multiply
    15,397,861.32x = 21,246,823.80 × 8,522,326.98
  4. Step 4: Simplify right side
    15,397,861.32x = 181,072,379,710,046.12
  5. Step 5: Solve for x
    x = 181,072,379,710,046.12/15,397,861.32
  6. Step 6: Final answer
    x = 11,759,579.85

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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.