Home / 10,168,047.60-15,244,295.40-5,122,978.80

Finding the Fourth Proportional to 10,168,047.60, 15,244,295.40 and 5,122,978.80

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Solution

The fourth proportional to 10,168,047.60, 15,244,295.40 and 5,122,978.80 is: 7,680,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168,047.60 : 15,244,295.40 = 5,122,978.80 : x
  2. Step 2: Convert to fraction form
    10,168,047.60/15,244,295.40 = 5,122,978.80/x
  3. Step 3: Cross multiply
    10,168,047.60x = 15,244,295.40 × 5,122,978.80
  4. Step 4: Simplify right side
    10,168,047.60x = 78,096,202,155,137.52
  5. Step 5: Solve for x
    x = 78,096,202,155,137.52/10,168,047.60
  6. Step 6: Final answer
    x = 7,680,550.41

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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.