Home / 7,154,267.83-9,872,955.72-3,891,147.19

Finding the Fourth Proportional to 7,154,267.83, 9,872,955.72 and 3,891,147.19

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Solution

The fourth proportional to 7,154,267.83, 9,872,955.72 and 3,891,147.19 is: 5,369,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,267.83 : 9,872,955.72 = 3,891,147.19 : x
  2. Step 2: Convert to fraction form
    7,154,267.83/9,872,955.72 = 3,891,147.19/x
  3. Step 3: Cross multiply
    7,154,267.83x = 9,872,955.72 × 3,891,147.19
  4. Step 4: Simplify right side
    7,154,267.83x = 38,417,123,906,872.43
  5. Step 5: Solve for x
    x = 38,417,123,906,872.43/7,154,267.83
  6. Step 6: Final answer
    x = 5,369,819.08

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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.