Home / 15,706,357.30-23,577,250.65-12,127,987.90

Finding the Fourth Proportional to 15,706,357.30, 23,577,250.65 and 12,127,987.90

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Solution

The fourth proportional to 15,706,357.30, 23,577,250.65 and 12,127,987.90 is: 18,205,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706,357.30 : 23,577,250.65 = 12,127,987.90 : x
  2. Step 2: Convert to fraction form
    15,706,357.30/23,577,250.65 = 12,127,987.90/x
  3. Step 3: Cross multiply
    15,706,357.30x = 23,577,250.65 × 12,127,987.90
  4. Step 4: Simplify right side
    15,706,357.30x = 285,944,610,598,467.12
  5. Step 5: Solve for x
    x = 285,944,610,598,467.12/15,706,357.30
  6. Step 6: Final answer
    x = 18,205,660.62

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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.