Home / 7,129,350.90-9,838,506.48-3,866,164.66

Finding the Fourth Proportional to 7,129,350.90, 9,838,506.48 and 3,866,164.66

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Solution

The fourth proportional to 7,129,350.90, 9,838,506.48 and 3,866,164.66 is: 5,335,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,350.90 : 9,838,506.48 = 3,866,164.66 : x
  2. Step 2: Convert to fraction form
    7,129,350.90/9,838,506.48 = 3,866,164.66/x
  3. Step 3: Cross multiply
    7,129,350.90x = 9,838,506.48 × 3,866,164.66
  4. Step 4: Simplify right side
    7,129,350.90x = 38,037,286,060,157
  5. Step 5: Solve for x
    x = 38,037,286,060,157/7,129,350.90
  6. Step 6: Final answer
    x = 5,335,308.44

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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.