Home / 47,376,447.60-71,083,333.80-18,617,689.20

Finding the Fourth Proportional to 47,376,447.60, 71,083,333.80 and 18,617,689.20

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Solution

The fourth proportional to 47,376,447.60, 71,083,333.80 and 18,617,689.20 is: 27,933,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376,447.60 : 71,083,333.80 = 18,617,689.20 : x
  2. Step 2: Convert to fraction form
    47,376,447.60/71,083,333.80 = 18,617,689.20/x
  3. Step 3: Cross multiply
    47,376,447.60x = 71,083,333.80 × 18,617,689.20
  4. Step 4: Simplify right side
    47,376,447.60x = 1,323,407,415,988,254.75
  5. Step 5: Solve for x
    x = 1,323,407,415,988,254.75/47,376,447.60
  6. Step 6: Final answer
    x = 27,933,867.63

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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.