Home / 19,491,259.20-29,180,901.60-11,932,987.20

Finding the Fourth Proportional to 19,491,259.20, 29,180,901.60 and 11,932,987.20

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Solution

The fourth proportional to 19,491,259.20, 29,180,901.60 and 11,932,987.20 is: 17,865,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491,259.20 : 29,180,901.60 = 11,932,987.20 : x
  2. Step 2: Convert to fraction form
    19,491,259.20/29,180,901.60 = 11,932,987.20/x
  3. Step 3: Cross multiply
    19,491,259.20x = 29,180,901.60 × 11,932,987.20
  4. Step 4: Simplify right side
    19,491,259.20x = 348,215,325,277,259.50
  5. Step 5: Solve for x
    x = 348,215,325,277,259.50/19,491,259.20
  6. Step 6: Final answer
    x = 17,865,204.18

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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.