Home / 48,318,847.86-66,657,959.17-28,728,587.59

Finding the Fourth Proportional to 48,318,847.86, 66,657,959.17 and 28,728,587.59

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Solution

The fourth proportional to 48,318,847.86, 66,657,959.17 and 28,728,587.59 is: 39,632,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318,847.86 : 66,657,959.17 = 28,728,587.59 : x
  2. Step 2: Convert to fraction form
    48,318,847.86/66,657,959.17 = 28,728,587.59/x
  3. Step 3: Cross multiply
    48,318,847.86x = 66,657,959.17 × 28,728,587.59
  4. Step 4: Simplify right side
    48,318,847.86x = 1,914,989,018,585,988.75
  5. Step 5: Solve for x
    x = 1,914,989,018,585,988.75/48,318,847.86
  6. Step 6: Final answer
    x = 39,632,340.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.