Home / 7,068,729.28-9,754,885.51-3,971,383.24

Finding the Fourth Proportional to 7,068,729.28, 9,754,885.51 and 3,971,383.24

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Solution

The fourth proportional to 7,068,729.28, 9,754,885.51 and 3,971,383.24 is: 5,480,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,729.28 : 9,754,885.51 = 3,971,383.24 : x
  2. Step 2: Convert to fraction form
    7,068,729.28/9,754,885.51 = 3,971,383.24/x
  3. Step 3: Cross multiply
    7,068,729.28x = 9,754,885.51 × 3,971,383.24
  4. Step 4: Simplify right side
    7,068,729.28x = 38,740,388,822,532.85
  5. Step 5: Solve for x
    x = 38,740,388,822,532.85/7,068,729.28
  6. Step 6: Final answer
    x = 5,480,530.84

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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.