Home / 36,252,139.80-54,378,209.70-21,919,416.60

Finding the Fourth Proportional to 36,252,139.80, 54,378,209.70 and 21,919,416.60

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Solution

The fourth proportional to 36,252,139.80, 54,378,209.70 and 21,919,416.60 is: 32,879,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,252,139.80 : 54,378,209.70 = 21,919,416.60 : x
  2. Step 2: Convert to fraction form
    36,252,139.80/54,378,209.70 = 21,919,416.60/x
  3. Step 3: Cross multiply
    36,252,139.80x = 54,378,209.70 × 21,919,416.60
  4. Step 4: Simplify right side
    36,252,139.80x = 1,191,938,632,376,461.25
  5. Step 5: Solve for x
    x = 1,191,938,632,376,461.25/36,252,139.80
  6. Step 6: Final answer
    x = 32,879,124.90

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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.