Home / 10,605,074.78-14,635,630.08-7,986,961.16

Finding the Fourth Proportional to 10,605,074.78, 14,635,630.08 and 7,986,961.16

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Solution

The fourth proportional to 10,605,074.78, 14,635,630.08 and 7,986,961.16 is: 11,022,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605,074.78 : 14,635,630.08 = 7,986,961.16 : x
  2. Step 2: Convert to fraction form
    10,605,074.78/14,635,630.08 = 7,986,961.16/x
  3. Step 3: Cross multiply
    10,605,074.78x = 14,635,630.08 × 7,986,961.16
  4. Step 4: Simplify right side
    10,605,074.78x = 116,894,209,001,087.70
  5. Step 5: Solve for x
    x = 116,894,209,001,087.70/10,605,074.78
  6. Step 6: Final answer
    x = 11,022,478.52

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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.