Home / 8,782,491.29-12,127,277.84-5,520,356.61

Finding the Fourth Proportional to 8,782,491.29, 12,127,277.84 and 5,520,356.61

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Solution

The fourth proportional to 8,782,491.29, 12,127,277.84 and 5,520,356.61 is: 7,622,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,491.29 : 12,127,277.84 = 5,520,356.61 : x
  2. Step 2: Convert to fraction form
    8,782,491.29/12,127,277.84 = 5,520,356.61/x
  3. Step 3: Cross multiply
    8,782,491.29x = 12,127,277.84 × 5,520,356.61
  4. Step 4: Simplify right side
    8,782,491.29x = 66,946,898,357,748.75
  5. Step 5: Solve for x
    x = 66,946,898,357,748.75/8,782,491.29
  6. Step 6: Final answer
    x = 7,622,768.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.