Home / 40,172,001.20-60,258,001.80-9,879,864.20

Finding the Fourth Proportional to 40,172,001.20, 60,258,001.80 and 9,879,864.20

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Solution

The fourth proportional to 40,172,001.20, 60,258,001.80 and 9,879,864.20 is: 14,819,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172,001.20 : 60,258,001.80 = 9,879,864.20 : x
  2. Step 2: Convert to fraction form
    40,172,001.20/60,258,001.80 = 9,879,864.20/x
  3. Step 3: Cross multiply
    40,172,001.20x = 60,258,001.80 × 9,879,864.20
  4. Step 4: Simplify right side
    40,172,001.20x = 595,340,874,747,355.50
  5. Step 5: Solve for x
    x = 595,340,874,747,355.50/40,172,001.20
  6. Step 6: Final answer
    x = 14,819,796.30

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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.