Home / 10,229,739.20-15,352,903.20-9,897,963.20

Finding the Fourth Proportional to 10,229,739.20, 15,352,903.20 and 9,897,963.20

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Solution

The fourth proportional to 10,229,739.20, 15,352,903.20 and 9,897,963.20 is: 14,854,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229,739.20 : 15,352,903.20 = 9,897,963.20 : x
  2. Step 2: Convert to fraction form
    10,229,739.20/15,352,903.20 = 9,897,963.20/x
  3. Step 3: Cross multiply
    10,229,739.20x = 15,352,903.20 × 9,897,963.20
  4. Step 4: Simplify right side
    10,229,739.20x = 151,962,470,886,762.22
  5. Step 5: Solve for x
    x = 151,962,470,886,762.22/10,229,739.20
  6. Step 6: Final answer
    x = 14,854,970.19

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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.