Home / 8,919,008.60-13,378,512.90-2,187,422.60

Finding the Fourth Proportional to 8,919,008.60, 13,378,512.90 and 2,187,422.60

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Solution

The fourth proportional to 8,919,008.60, 13,378,512.90 and 2,187,422.60 is: 3,281,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,008.60 : 13,378,512.90 = 2,187,422.60 : x
  2. Step 2: Convert to fraction form
    8,919,008.60/13,378,512.90 = 2,187,422.60/x
  3. Step 3: Cross multiply
    8,919,008.60x = 13,378,512.90 × 2,187,422.60
  4. Step 4: Simplify right side
    8,919,008.60x = 29,264,461,471,851.54
  5. Step 5: Solve for x
    x = 29,264,461,471,851.54/8,919,008.60
  6. Step 6: Final answer
    x = 3,281,133.90

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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.