Home / 8,700,003.20-13,050,004.80-5,107,491.20

Finding the Fourth Proportional to 8,700,003.20, 13,050,004.80 and 5,107,491.20

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Solution

The fourth proportional to 8,700,003.20, 13,050,004.80 and 5,107,491.20 is: 7,661,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,003.20 : 13,050,004.80 = 5,107,491.20 : x
  2. Step 2: Convert to fraction form
    8,700,003.20/13,050,004.80 = 5,107,491.20/x
  3. Step 3: Cross multiply
    8,700,003.20x = 13,050,004.80 × 5,107,491.20
  4. Step 4: Simplify right side
    8,700,003.20x = 66,652,784,675,957.77
  5. Step 5: Solve for x
    x = 66,652,784,675,957.77/8,700,003.20
  6. Step 6: Final answer
    x = 7,661,236.80

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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.