Home / 43,007,796.40-64,511,694.60-12,715,659.40

Finding the Fourth Proportional to 43,007,796.40, 64,511,694.60 and 12,715,659.40

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Solution

The fourth proportional to 43,007,796.40, 64,511,694.60 and 12,715,659.40 is: 19,073,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007,796.40 : 64,511,694.60 = 12,715,659.40 : x
  2. Step 2: Convert to fraction form
    43,007,796.40/64,511,694.60 = 12,715,659.40/x
  3. Step 3: Cross multiply
    43,007,796.40x = 64,511,694.60 × 12,715,659.40
  4. Step 4: Simplify right side
    43,007,796.40x = 820,308,735,850,419.25
  5. Step 5: Solve for x
    x = 820,308,735,850,419.25/43,007,796.40
  6. Step 6: Final answer
    x = 19,073,489.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.