Home / 8,729,807.87-12,042,962.52-6,782,743.64

Finding the Fourth Proportional to 8,729,807.87, 12,042,962.52 and 6,782,743.64

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Solution

The fourth proportional to 8,729,807.87, 12,042,962.52 and 6,782,743.64 is: 9,356,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,807.87 : 12,042,962.52 = 6,782,743.64 : x
  2. Step 2: Convert to fraction form
    8,729,807.87/12,042,962.52 = 6,782,743.64/x
  3. Step 3: Cross multiply
    8,729,807.87x = 12,042,962.52 × 6,782,743.64
  4. Step 4: Simplify right side
    8,729,807.87x = 81,684,327,443,960.48
  5. Step 5: Solve for x
    x = 81,684,327,443,960.48/8,729,807.87
  6. Step 6: Final answer
    x = 9,356,944.46

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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.