Home / 47,681,999.70-71,522,999.55-11,780,207.70

Finding the Fourth Proportional to 47,681,999.70, 71,522,999.55 and 11,780,207.70

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Solution

The fourth proportional to 47,681,999.70, 71,522,999.55 and 11,780,207.70 is: 17,670,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681,999.70 : 71,522,999.55 = 11,780,207.70 : x
  2. Step 2: Convert to fraction form
    47,681,999.70/71,522,999.55 = 11,780,207.70/x
  3. Step 3: Cross multiply
    47,681,999.70x = 71,522,999.55 × 11,780,207.70
  4. Step 4: Simplify right side
    47,681,999.70x = 842,555,790,026,006.50
  5. Step 5: Solve for x
    x = 842,555,790,026,006.50/47,681,999.70
  6. Step 6: Final answer
    x = 17,670,311.55

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1.5x scale

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.