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Finding the Fourth Proportional to 19,312,819.60, 28,969,229.40 and 7,344,000.40

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Solution

The fourth proportional to 19,312,819.60, 28,969,229.40 and 7,344,000.40 is: 11,016,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,819.60 : 28,969,229.40 = 7,344,000.40 : x
  2. Step 2: Convert to fraction form
    19,312,819.60/28,969,229.40 = 7,344,000.40/x
  3. Step 3: Cross multiply
    19,312,819.60x = 28,969,229.40 × 7,344,000.40
  4. Step 4: Simplify right side
    19,312,819.60x = 212,750,032,301,291.75
  5. Step 5: Solve for x
    x = 212,750,032,301,291.75/19,312,819.60
  6. Step 6: Final answer
    x = 11,016,000.60

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