Home / 13,442,919.40-20,164,379.10-4,467,471.40

Finding the Fourth Proportional to 13,442,919.40, 20,164,379.10 and 4,467,471.40

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Solution

The fourth proportional to 13,442,919.40, 20,164,379.10 and 4,467,471.40 is: 6,701,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,919.40 : 20,164,379.10 = 4,467,471.40 : x
  2. Step 2: Convert to fraction form
    13,442,919.40/20,164,379.10 = 4,467,471.40/x
  3. Step 3: Cross multiply
    13,442,919.40x = 20,164,379.10 × 4,467,471.40
  4. Step 4: Simplify right side
    13,442,919.40x = 90,083,786,928,007.75
  5. Step 5: Solve for x
    x = 90,083,786,928,007.75/13,442,919.40
  6. Step 6: Final answer
    x = 6,701,207.10

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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.