Home / 40,273,835.70-60,442,246.35-18,711,109.20

Finding the Fourth Proportional to 40,273,835.70, 60,442,246.35 and 18,711,109.20

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Solution

The fourth proportional to 40,273,835.70, 60,442,246.35 and 18,711,109.20 is: 28,081,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273,835.70 : 60,442,246.35 = 18,711,109.20 : x
  2. Step 2: Convert to fraction form
    40,273,835.70/60,442,246.35 = 18,711,109.20/x
  3. Step 3: Cross multiply
    40,273,835.70x = 60,442,246.35 × 18,711,109.20
  4. Step 4: Simplify right side
    40,273,835.70x = 1,130,941,471,748,151.50
  5. Step 5: Solve for x
    x = 1,130,941,471,748,151.50/40,273,835.70
  6. Step 6: Final answer
    x = 28,081,295.27

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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.