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Finding the Fourth Proportional to 21,864,978.80, 32,806,799.40 and 10,499,577.20

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Solution

The fourth proportional to 21,864,978.80, 32,806,799.40 and 10,499,577.20 is: 15,753,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864,978.80 : 32,806,799.40 = 10,499,577.20 : x
  2. Step 2: Convert to fraction form
    21,864,978.80/32,806,799.40 = 10,499,577.20/x
  3. Step 3: Cross multiply
    21,864,978.80x = 32,806,799.40 × 10,499,577.20
  4. Step 4: Simplify right side
    21,864,978.80x = 344,457,522,985,213.62
  5. Step 5: Solve for x
    x = 344,457,522,985,213.62/21,864,978.80
  6. Step 6: Final answer
    x = 15,753,846.65

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