Home / 39,403,154.34-54,375,824.61-21,999,766.50

Finding the Fourth Proportional to 39,403,154.34, 54,375,824.61 and 21,999,766.50

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Solution

The fourth proportional to 39,403,154.34, 54,375,824.61 and 21,999,766.50 is: 30,359,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403,154.34 : 54,375,824.61 = 21,999,766.50 : x
  2. Step 2: Convert to fraction form
    39,403,154.34/54,375,824.61 = 21,999,766.50/x
  3. Step 3: Cross multiply
    39,403,154.34x = 54,375,824.61 × 21,999,766.50
  4. Step 4: Simplify right side
    39,403,154.34x = 1,196,255,444,664,953.50
  5. Step 5: Solve for x
    x = 1,196,255,444,664,953.50/39,403,154.34
  6. Step 6: Final answer
    x = 30,359,382.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.