Home / 8,578,527.52-12,863,867.22-5,121,836.32

Finding the Fourth Proportional to 8,578,527.52, 12,863,867.22 and 5,121,836.32

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Solution

The fourth proportional to 8,578,527.52, 12,863,867.22 and 5,121,836.32 is: 7,680,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,527.52 : 12,863,867.22 = 5,121,836.32 : x
  2. Step 2: Convert to fraction form
    8,578,527.52/12,863,867.22 = 5,121,836.32/x
  3. Step 3: Cross multiply
    8,578,527.52x = 12,863,867.22 × 5,121,836.32
  4. Step 4: Simplify right side
    8,578,527.52x = 65,886,622,343,053.44
  5. Step 5: Solve for x
    x = 65,886,622,343,053.44/8,578,527.52
  6. Step 6: Final answer
    x = 7,680,411.61

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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.