Home / 20,995,257.60-31,492,886.40-18,341,049.60

Finding the Fourth Proportional to 20,995,257.60, 31,492,886.40 and 18,341,049.60

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Solution

The fourth proportional to 20,995,257.60, 31,492,886.40 and 18,341,049.60 is: 27,511,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,257.60 : 31,492,886.40 = 18,341,049.60 : x
  2. Step 2: Convert to fraction form
    20,995,257.60/31,492,886.40 = 18,341,049.60/x
  3. Step 3: Cross multiply
    20,995,257.60x = 31,492,886.40 × 18,341,049.60
  4. Step 4: Simplify right side
    20,995,257.60x = 577,612,591,509,565.50
  5. Step 5: Solve for x
    x = 577,612,591,509,565.50/20,995,257.60
  6. Step 6: Final answer
    x = 27,511,574.40

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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.