Home / 10,122,545.88-13,969,113.32-5,538,867.25

Finding the Fourth Proportional to 10,122,545.88, 13,969,113.32 and 5,538,867.25

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Solution

The fourth proportional to 10,122,545.88, 13,969,113.32 and 5,538,867.25 is: 7,643,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,545.88 : 13,969,113.32 = 5,538,867.25 : x
  2. Step 2: Convert to fraction form
    10,122,545.88/13,969,113.32 = 5,538,867.25/x
  3. Step 3: Cross multiply
    10,122,545.88x = 13,969,113.32 × 5,538,867.25
  4. Step 4: Simplify right side
    10,122,545.88x = 77,373,064,279,686.77
  5. Step 5: Solve for x
    x = 77,373,064,279,686.77/10,122,545.88
  6. Step 6: Final answer
    x = 7,643,636.81

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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.