Home / 13,824,129.40-20,736,194.10-8,781,134.20

Finding the Fourth Proportional to 13,824,129.40, 20,736,194.10 and 8,781,134.20

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Solution

The fourth proportional to 13,824,129.40, 20,736,194.10 and 8,781,134.20 is: 13,171,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,129.40 : 20,736,194.10 = 8,781,134.20 : x
  2. Step 2: Convert to fraction form
    13,824,129.40/20,736,194.10 = 8,781,134.20/x
  3. Step 3: Cross multiply
    13,824,129.40x = 20,736,194.10 × 8,781,134.20
  4. Step 4: Simplify right side
    13,824,129.40x = 182,087,303,189,348.22
  5. Step 5: Solve for x
    x = 182,087,303,189,348.22/13,824,129.40
  6. Step 6: Final answer
    x = 13,171,701.30

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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.