Home / 7,148,561.40-9,865,114.65-3,885,375.18

Finding the Fourth Proportional to 7,148,561.40, 9,865,114.65 and 3,885,375.18

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Solution

The fourth proportional to 7,148,561.40, 9,865,114.65 and 3,885,375.18 is: 5,361,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,561.40 : 9,865,114.65 = 3,885,375.18 : x
  2. Step 2: Convert to fraction form
    7,148,561.40/9,865,114.65 = 3,885,375.18/x
  3. Step 3: Cross multiply
    7,148,561.40x = 9,865,114.65 × 3,885,375.18
  4. Step 4: Simplify right side
    7,148,561.40x = 38,329,671,608,964.39
  5. Step 5: Solve for x
    x = 38,329,671,608,964.39/7,148,561.40
  6. Step 6: Final answer
    x = 5,361,872.06

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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.