Home / 8,161,200.90-12,268,373.40-5,781,526.20

Finding the Fourth Proportional to 8,161,200.90, 12,268,373.40 and 5,781,526.20

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Solution

The fourth proportional to 8,161,200.90, 12,268,373.40 and 5,781,526.20 is: 8,691,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,200.90 : 12,268,373.40 = 5,781,526.20 : x
  2. Step 2: Convert to fraction form
    8,161,200.90/12,268,373.40 = 5,781,526.20/x
  3. Step 3: Cross multiply
    8,161,200.90x = 12,268,373.40 × 5,781,526.20
  4. Step 4: Simplify right side
    8,161,200.90x = 70,929,922,243,483.08
  5. Step 5: Solve for x
    x = 70,929,922,243,483.08/8,161,200.90
  6. Step 6: Final answer
    x = 8,691,113.37

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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.