Home / 10,129,773.88-13,978,534.26-5,545,208.44

Finding the Fourth Proportional to 10,129,773.88, 13,978,534.26 and 5,545,208.44

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Solution

The fourth proportional to 10,129,773.88, 13,978,534.26 and 5,545,208.44 is: 7,652,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,773.88 : 13,978,534.26 = 5,545,208.44 : x
  2. Step 2: Convert to fraction form
    10,129,773.88/13,978,534.26 = 5,545,208.44/x
  3. Step 3: Cross multiply
    10,129,773.88x = 13,978,534.26 × 5,545,208.44
  4. Step 4: Simplify right side
    10,129,773.88x = 77,513,886,157,381.16
  5. Step 5: Solve for x
    x = 77,513,886,157,381.16/10,129,773.88
  6. Step 6: Final answer
    x = 7,652,084.55

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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.