Home / 10,352,815.20-15,529,222.80-9,722,959.20

Finding the Fourth Proportional to 10,352,815.20, 15,529,222.80 and 9,722,959.20

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Solution

The fourth proportional to 10,352,815.20, 15,529,222.80 and 9,722,959.20 is: 14,584,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,815.20 : 15,529,222.80 = 9,722,959.20 : x
  2. Step 2: Convert to fraction form
    10,352,815.20/15,529,222.80 = 9,722,959.20/x
  3. Step 3: Cross multiply
    10,352,815.20x = 15,529,222.80 × 9,722,959.20
  4. Step 4: Simplify right side
    10,352,815.20x = 150,989,999,692,109.75
  5. Step 5: Solve for x
    x = 150,989,999,692,109.75/10,352,815.20
  6. Step 6: Final answer
    x = 14,584,438.80

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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.