Home / 20,232,557.70-30,348,836.55-18,106,793.70

Finding the Fourth Proportional to 20,232,557.70, 30,348,836.55 and 18,106,793.70

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Solution

The fourth proportional to 20,232,557.70, 30,348,836.55 and 18,106,793.70 is: 27,160,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,557.70 : 30,348,836.55 = 18,106,793.70 : x
  2. Step 2: Convert to fraction form
    20,232,557.70/30,348,836.55 = 18,106,793.70/x
  3. Step 3: Cross multiply
    20,232,557.70x = 30,348,836.55 × 18,106,793.70
  4. Step 4: Simplify right side
    20,232,557.70x = 549,520,122,445,869.75
  5. Step 5: Solve for x
    x = 549,520,122,445,869.75/20,232,557.70
  6. Step 6: Final answer
    x = 27,160,190.55

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1.5x scale

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.