Home / 8,143,532.15-12,215,287.86-2,078,263.98

Finding the Fourth Proportional to 8,143,532.15, 12,215,287.86 and 2,078,263.98

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Solution

The fourth proportional to 8,143,532.15, 12,215,287.86 and 2,078,263.98 is: 3,117,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,532.15 : 12,215,287.86 = 2,078,263.98 : x
  2. Step 2: Convert to fraction form
    8,143,532.15/12,215,287.86 = 2,078,263.98/x
  3. Step 3: Cross multiply
    8,143,532.15x = 12,215,287.86 × 2,078,263.98
  4. Step 4: Simplify right side
    8,143,532.15x = 25,386,592,764,769.28
  5. Step 5: Solve for x
    x = 25,386,592,764,769.28/8,143,532.15
  6. Step 6: Final answer
    x = 3,117,393.33

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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.