Home / 6,665,127.60-9,998,065.07-1,872,443.20

Finding the Fourth Proportional to 6,665,127.60, 9,998,065.07 and 1,872,443.20

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Solution

The fourth proportional to 6,665,127.60, 9,998,065.07 and 1,872,443.20 is: 2,808,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,127.60 : 9,998,065.07 = 1,872,443.20 : x
  2. Step 2: Convert to fraction form
    6,665,127.60/9,998,065.07 = 1,872,443.20/x
  3. Step 3: Cross multiply
    6,665,127.60x = 9,998,065.07 × 1,872,443.20
  4. Step 4: Simplify right side
    6,665,127.60x = 18,720,808,919,121.64
  5. Step 5: Solve for x
    x = 18,720,808,919,121.64/6,665,127.60
  6. Step 6: Final answer
    x = 2,808,769.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.