Home / 10,080,485.40-15,120,728.10-5,828,957.40

Finding the Fourth Proportional to 10,080,485.40, 15,120,728.10 and 5,828,957.40

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Solution

The fourth proportional to 10,080,485.40, 15,120,728.10 and 5,828,957.40 is: 8,743,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,485.40 : 15,120,728.10 = 5,828,957.40 : x
  2. Step 2: Convert to fraction form
    10,080,485.40/15,120,728.10 = 5,828,957.40/x
  3. Step 3: Cross multiply
    10,080,485.40x = 15,120,728.10 × 5,828,957.40
  4. Step 4: Simplify right side
    10,080,485.40x = 88,138,079,951,882.94
  5. Step 5: Solve for x
    x = 88,138,079,951,882.94/10,080,485.40
  6. Step 6: Final answer
    x = 8,743,436.10

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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.