Home / 13,799,188.40-20,736,107.40-12,156,897.20

Finding the Fourth Proportional to 13,799,188.40, 20,736,107.40 and 12,156,897.20

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Solution

The fourth proportional to 13,799,188.40, 20,736,107.40 and 12,156,897.20 is: 18,268,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,188.40 : 20,736,107.40 = 12,156,897.20 : x
  2. Step 2: Convert to fraction form
    13,799,188.40/20,736,107.40 = 12,156,897.20/x
  3. Step 3: Cross multiply
    13,799,188.40x = 20,736,107.40 × 12,156,897.20
  4. Step 4: Simplify right side
    13,799,188.40x = 252,086,725,989,959.25
  5. Step 5: Solve for x
    x = 252,086,725,989,959.25/13,799,188.40
  6. Step 6: Final answer
    x = 18,268,228.44

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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.