Home / 10,369,976.20-15,554,964.30-9,740,120.20

Finding the Fourth Proportional to 10,369,976.20, 15,554,964.30 and 9,740,120.20

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Solution

The fourth proportional to 10,369,976.20, 15,554,964.30 and 9,740,120.20 is: 14,610,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,976.20 : 15,554,964.30 = 9,740,120.20 : x
  2. Step 2: Convert to fraction form
    10,369,976.20/15,554,964.30 = 9,740,120.20/x
  3. Step 3: Cross multiply
    10,369,976.20x = 15,554,964.30 × 9,740,120.20
  4. Step 4: Simplify right side
    10,369,976.20x = 151,507,221,988,708.84
  5. Step 5: Solve for x
    x = 151,507,221,988,708.84/10,369,976.20
  6. Step 6: Final answer
    x = 14,610,180.30

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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.