Home / 8,729,812.94-12,042,969.50-6,782,748.71

Finding the Fourth Proportional to 8,729,812.94, 12,042,969.50 and 6,782,748.71

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Solution

The fourth proportional to 8,729,812.94, 12,042,969.50 and 6,782,748.71 is: 9,356,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,812.94 : 12,042,969.50 = 6,782,748.71 : x
  2. Step 2: Convert to fraction form
    8,729,812.94/12,042,969.50 = 6,782,748.71/x
  3. Step 3: Cross multiply
    8,729,812.94x = 12,042,969.50 × 6,782,748.71
  4. Step 4: Simplify right side
    8,729,812.94x = 81,684,435,797,436.36
  5. Step 5: Solve for x
    x = 81,684,435,797,436.36/8,729,812.94
  6. Step 6: Final answer
    x = 9,356,951.45

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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.