Home / 40,424,253.60-60,639,004.80-21,292,377.60

Finding the Fourth Proportional to 40,424,253.60, 60,639,004.80 and 21,292,377.60

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Solution

The fourth proportional to 40,424,253.60, 60,639,004.80 and 21,292,377.60 is: 31,939,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424,253.60 : 60,639,004.80 = 21,292,377.60 : x
  2. Step 2: Convert to fraction form
    40,424,253.60/60,639,004.80 = 21,292,377.60/x
  3. Step 3: Cross multiply
    40,424,253.60x = 60,639,004.80 × 21,292,377.60
  4. Step 4: Simplify right side
    40,424,253.60x = 1,291,148,587,489,812.50
  5. Step 5: Solve for x
    x = 1,291,148,587,489,812.50/40,424,253.60
  6. Step 6: Final answer
    x = 31,939,948.73

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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.