Home / 47,486,077.12-71,234,820-16,774,349.76

Finding the Fourth Proportional to 47,486,077.12, 71,234,820 and 16,774,349.76

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Solution

The fourth proportional to 47,486,077.12, 71,234,820 and 16,774,349.76 is: 25,163,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,486,077.12 : 71,234,820 = 16,774,349.76 : x
  2. Step 2: Convert to fraction form
    47,486,077.12/71,234,820 = 16,774,349.76/x
  3. Step 3: Cross multiply
    47,486,077.12x = 71,234,820 × 16,774,349.76
  4. Step 4: Simplify right side
    47,486,077.12x = 1,194,917,785,770,643.25
  5. Step 5: Solve for x
    x = 1,194,917,785,770,643.25/47,486,077.12
  6. Step 6: Final answer
    x = 25,163,539.68

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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.