Home / 20,001,946.80-30,002,920.20-13,837,231.20

Finding the Fourth Proportional to 20,001,946.80, 30,002,920.20 and 13,837,231.20

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Solution

The fourth proportional to 20,001,946.80, 30,002,920.20 and 13,837,231.20 is: 20,755,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,946.80 : 30,002,920.20 = 13,837,231.20 : x
  2. Step 2: Convert to fraction form
    20,001,946.80/30,002,920.20 = 13,837,231.20/x
  3. Step 3: Cross multiply
    20,001,946.80x = 30,002,920.20 × 13,837,231.20
  4. Step 4: Simplify right side
    20,001,946.80x = 415,157,343,482,550.19
  5. Step 5: Solve for x
    x = 415,157,343,482,550.19/20,001,946.80
  6. Step 6: Final answer
    x = 20,755,846.80

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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.