Home / 7,154,129.75-9,875,267.28-4,253,513.72

Finding the Fourth Proportional to 7,154,129.75, 9,875,267.28 and 4,253,513.72

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Solution

The fourth proportional to 7,154,129.75, 9,875,267.28 and 4,253,513.72 is: 5,871,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,129.75 : 9,875,267.28 = 4,253,513.72 : x
  2. Step 2: Convert to fraction form
    7,154,129.75/9,875,267.28 = 4,253,513.72/x
  3. Step 3: Cross multiply
    7,154,129.75x = 9,875,267.28 × 4,253,513.72
  4. Step 4: Simplify right side
    7,154,129.75x = 42,004,584,814,770.74
  5. Step 5: Solve for x
    x = 42,004,584,814,770.74/7,154,129.75
  6. Step 6: Final answer
    x = 5,871,375.88

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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.