Home / 40,273,725.20-60,442,080.60-18,710,998.70

Finding the Fourth Proportional to 40,273,725.20, 60,442,080.60 and 18,710,998.70

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Solution

The fourth proportional to 40,273,725.20, 60,442,080.60 and 18,710,998.70 is: 28,081,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273,725.20 : 60,442,080.60 = 18,710,998.70 : x
  2. Step 2: Convert to fraction form
    40,273,725.20/60,442,080.60 = 18,710,998.70/x
  3. Step 3: Cross multiply
    40,273,725.20x = 60,442,080.60 × 18,710,998.70
  4. Step 4: Simplify right side
    40,273,725.20x = 1,130,931,691,531,895.25
  5. Step 5: Solve for x
    x = 1,130,931,691,531,895.25/40,273,725.20
  6. Step 6: Final answer
    x = 28,081,129.47

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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.