Home / 13,770,010.20-20,655,015.30-12,400,073.40

Finding the Fourth Proportional to 13,770,010.20, 20,655,015.30 and 12,400,073.40

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Solution

The fourth proportional to 13,770,010.20, 20,655,015.30 and 12,400,073.40 is: 18,600,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,010.20 : 20,655,015.30 = 12,400,073.40 : x
  2. Step 2: Convert to fraction form
    13,770,010.20/20,655,015.30 = 12,400,073.40/x
  3. Step 3: Cross multiply
    13,770,010.20x = 20,655,015.30 × 12,400,073.40
  4. Step 4: Simplify right side
    13,770,010.20x = 256,123,705,798,123.03
  5. Step 5: Solve for x
    x = 256,123,705,798,123.03/13,770,010.20
  6. Step 6: Final answer
    x = 18,600,110.10

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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.