Home / 47,280,671.28-70,917,219.36-21,027,634.92

Finding the Fourth Proportional to 47,280,671.28, 70,917,219.36 and 21,027,634.92

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Solution

The fourth proportional to 47,280,671.28, 70,917,219.36 and 21,027,634.92 is: 31,539,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280,671.28 : 70,917,219.36 = 21,027,634.92 : x
  2. Step 2: Convert to fraction form
    47,280,671.28/70,917,219.36 = 21,027,634.92/x
  3. Step 3: Cross multiply
    47,280,671.28x = 70,917,219.36 × 21,027,634.92
  4. Step 4: Simplify right side
    47,280,671.28x = 1,491,221,398,243,636.25
  5. Step 5: Solve for x
    x = 1,491,221,398,243,636.25/47,280,671.28
  6. Step 6: Final answer
    x = 31,539,767.90

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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.