Home / 47,711,996.80-71,567,995.20-11,810,204.80

Finding the Fourth Proportional to 47,711,996.80, 71,567,995.20 and 11,810,204.80

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Solution

The fourth proportional to 47,711,996.80, 71,567,995.20 and 11,810,204.80 is: 17,715,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,996.80 : 71,567,995.20 = 11,810,204.80 : x
  2. Step 2: Convert to fraction form
    47,711,996.80/71,567,995.20 = 11,810,204.80/x
  3. Step 3: Cross multiply
    47,711,996.80x = 71,567,995.20 × 11,810,204.80
  4. Step 4: Simplify right side
    47,711,996.80x = 845,232,680,437,417
  5. Step 5: Solve for x
    x = 845,232,680,437,417/47,711,996.80
  6. Step 6: Final answer
    x = 17,715,307.20

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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.