Home / 20,567,806.40-30,884,887.20-15,524,811.20

Finding the Fourth Proportional to 20,567,806.40, 30,884,887.20 and 15,524,811.20

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Solution

The fourth proportional to 20,567,806.40, 30,884,887.20 and 15,524,811.20 is: 23,312,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567,806.40 : 30,884,887.20 = 15,524,811.20 : x
  2. Step 2: Convert to fraction form
    20,567,806.40/30,884,887.20 = 15,524,811.20/x
  3. Step 3: Cross multiply
    20,567,806.40x = 30,884,887.20 × 15,524,811.20
  4. Step 4: Simplify right side
    20,567,806.40x = 479,482,042,713,296.62
  5. Step 5: Solve for x
    x = 479,482,042,713,296.62/20,567,806.40
  6. Step 6: Final answer
    x = 23,312,259.62

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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.