Home / 12,393,816.56-17,102,841.91-6,887,073.16

Finding the Fourth Proportional to 12,393,816.56, 17,102,841.91 and 6,887,073.16

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Solution

The fourth proportional to 12,393,816.56, 17,102,841.91 and 6,887,073.16 is: 9,503,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,816.56 : 17,102,841.91 = 6,887,073.16 : x
  2. Step 2: Convert to fraction form
    12,393,816.56/17,102,841.91 = 6,887,073.16/x
  3. Step 3: Cross multiply
    12,393,816.56x = 17,102,841.91 × 6,887,073.16
  4. Step 4: Simplify right side
    12,393,816.56x = 117,788,523,478,084.14
  5. Step 5: Solve for x
    x = 117,788,523,478,084.14/12,393,816.56
  6. Step 6: Final answer
    x = 9,503,813.69

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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.