Home / 13,799,150.90-20,736,051.15-12,156,859.70

Finding the Fourth Proportional to 13,799,150.90, 20,736,051.15 and 12,156,859.70

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Solution

The fourth proportional to 13,799,150.90, 20,736,051.15 and 12,156,859.70 is: 18,268,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,150.90 : 20,736,051.15 = 12,156,859.70 : x
  2. Step 2: Convert to fraction form
    13,799,150.90/20,736,051.15 = 12,156,859.70/x
  3. Step 3: Cross multiply
    13,799,150.90x = 20,736,051.15 × 12,156,859.70
  4. Step 4: Simplify right side
    13,799,150.90x = 252,085,264,562,573.62
  5. Step 5: Solve for x
    x = 252,085,264,562,573.62/13,799,150.90
  6. Step 6: Final answer
    x = 18,268,172.18

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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.