Home / 28,558,078.60-42,774,132.30-17,178,680.20

Finding the Fourth Proportional to 28,558,078.60, 42,774,132.30 and 17,178,680.20

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Solution

The fourth proportional to 28,558,078.60, 42,774,132.30 and 17,178,680.20 is: 25,730,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,078.60 : 42,774,132.30 = 17,178,680.20 : x
  2. Step 2: Convert to fraction form
    28,558,078.60/42,774,132.30 = 17,178,680.20/x
  3. Step 3: Cross multiply
    28,558,078.60x = 42,774,132.30 × 17,178,680.20
  4. Step 4: Simplify right side
    28,558,078.60x = 734,803,139,614,190.38
  5. Step 5: Solve for x
    x = 734,803,139,614,190.38/28,558,078.60
  6. Step 6: Final answer
    x = 25,730,132.27

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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.