Home / 38,393,330.94-52,982,984.12-20,989,677.02

Finding the Fourth Proportional to 38,393,330.94, 52,982,984.12 and 20,989,677.02

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Solution

The fourth proportional to 38,393,330.94, 52,982,984.12 and 20,989,677.02 is: 28,965,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393,330.94 : 52,982,984.12 = 20,989,677.02 : x
  2. Step 2: Convert to fraction form
    38,393,330.94/52,982,984.12 = 20,989,677.02/x
  3. Step 3: Cross multiply
    38,393,330.94x = 52,982,984.12 × 20,989,677.02
  4. Step 4: Simplify right side
    38,393,330.94x = 1,112,095,723,864,725.75
  5. Step 5: Solve for x
    x = 1,112,095,723,864,725.75/38,393,330.94
  6. Step 6: Final answer
    x = 28,965,856.74

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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.