Home / 25,620,856.80-38,384,629.20-12,127,941.60

Finding the Fourth Proportional to 25,620,856.80, 38,384,629.20 and 12,127,941.60

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Solution

The fourth proportional to 25,620,856.80, 38,384,629.20 and 12,127,941.60 is: 18,169,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620,856.80 : 38,384,629.20 = 12,127,941.60 : x
  2. Step 2: Convert to fraction form
    25,620,856.80/38,384,629.20 = 12,127,941.60/x
  3. Step 3: Cross multiply
    25,620,856.80x = 38,384,629.20 × 12,127,941.60
  4. Step 4: Simplify right side
    25,620,856.80x = 465,526,541,275,254.75
  5. Step 5: Solve for x
    x = 465,526,541,275,254.75/25,620,856.80
  6. Step 6: Final answer
    x = 18,169,827.22

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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.