Home / 43,071,304.80-64,584,795.60-12,775,231.20

Finding the Fourth Proportional to 43,071,304.80, 64,584,795.60 and 12,775,231.20

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Solution

The fourth proportional to 43,071,304.80, 64,584,795.60 and 12,775,231.20 is: 19,156,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071,304.80 : 64,584,795.60 = 12,775,231.20 : x
  2. Step 2: Convert to fraction form
    43,071,304.80/64,584,795.60 = 12,775,231.20/x
  3. Step 3: Cross multiply
    43,071,304.80x = 64,584,795.60 × 12,775,231.20
  4. Step 4: Simplify right side
    43,071,304.80x = 825,085,695,794,742.75
  5. Step 5: Solve for x
    x = 825,085,695,794,742.75/43,071,304.80
  6. Step 6: Final answer
    x = 19,156,273.52

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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.