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Finding the Fourth Proportional to 8,978,033.68, 13,468,941.92 and 2,912,291.78

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Solution

The fourth proportional to 8,978,033.68, 13,468,941.92 and 2,912,291.78 is: 4,369,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,033.68 : 13,468,941.92 = 2,912,291.78 : x
  2. Step 2: Convert to fraction form
    8,978,033.68/13,468,941.92 = 2,912,291.78/x
  3. Step 3: Cross multiply
    8,978,033.68x = 13,468,941.92 × 2,912,291.78
  4. Step 4: Simplify right side
    8,978,033.68x = 39,225,488,838,913.41
  5. Step 5: Solve for x
    x = 39,225,488,838,913.41/8,978,033.68
  6. Step 6: Final answer
    x = 4,369,051.20

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Why These Related Problems?

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