Home / 47,870,179.50-71,805,270.87-11,968,387.50

Finding the Fourth Proportional to 47,870,179.50, 71,805,270.87 and 11,968,387.50

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Solution

The fourth proportional to 47,870,179.50, 71,805,270.87 and 11,968,387.50 is: 17,952,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870,179.50 : 71,805,270.87 = 11,968,387.50 : x
  2. Step 2: Convert to fraction form
    47,870,179.50/71,805,270.87 = 11,968,387.50/x
  3. Step 3: Cross multiply
    47,870,179.50x = 71,805,270.87 × 11,968,387.50
  4. Step 4: Simplify right side
    47,870,179.50x = 859,393,306,314,622.12
  5. Step 5: Solve for x
    x = 859,393,306,314,622.12/47,870,179.50
  6. Step 6: Final answer
    x = 17,952,581.66

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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.