Home / 8,761,978.40-13,128,836.40-4,964,167.20

Finding the Fourth Proportional to 8,761,978.40, 13,128,836.40 and 4,964,167.20

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Solution

The fourth proportional to 8,761,978.40, 13,128,836.40 and 4,964,167.20 is: 7,438,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,978.40 : 13,128,836.40 = 4,964,167.20 : x
  2. Step 2: Convert to fraction form
    8,761,978.40/13,128,836.40 = 4,964,167.20/x
  3. Step 3: Cross multiply
    8,761,978.40x = 13,128,836.40 × 4,964,167.20
  4. Step 4: Simplify right side
    8,761,978.40x = 65,173,739,031,046.09
  5. Step 5: Solve for x
    x = 65,173,739,031,046.09/8,761,978.40
  6. Step 6: Final answer
    x = 7,438,244.66

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Why These Related Problems?

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