Home / 18,764,004.57-28,148,106.37-5,981,543.61

Finding the Fourth Proportional to 18,764,004.57, 28,148,106.37 and 5,981,543.61

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Solution

The fourth proportional to 18,764,004.57, 28,148,106.37 and 5,981,543.61 is: 8,972,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,004.57 : 28,148,106.37 = 5,981,543.61 : x
  2. Step 2: Convert to fraction form
    18,764,004.57/28,148,106.37 = 5,981,543.61/x
  3. Step 3: Cross multiply
    18,764,004.57x = 28,148,106.37 × 5,981,543.61
  4. Step 4: Simplify right side
    18,764,004.57x = 168,369,125,791,073.81
  5. Step 5: Solve for x
    x = 168,369,125,791,073.81/18,764,004.57
  6. Step 6: Final answer
    x = 8,972,984.69

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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.