Home / 20,567,798.40-30,884,875.20-15,524,803.20

Finding the Fourth Proportional to 20,567,798.40, 30,884,875.20 and 15,524,803.20

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Solution

The fourth proportional to 20,567,798.40, 30,884,875.20 and 15,524,803.20 is: 23,312,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567,798.40 : 30,884,875.20 = 15,524,803.20 : x
  2. Step 2: Convert to fraction form
    20,567,798.40/30,884,875.20 = 15,524,803.20/x
  3. Step 3: Cross multiply
    20,567,798.40x = 30,884,875.20 × 15,524,803.20
  4. Step 4: Simplify right side
    20,567,798.40x = 479,481,609,336,560.62
  5. Step 5: Solve for x
    x = 479,481,609,336,560.62/20,567,798.40
  6. Step 6: Final answer
    x = 23,312,247.62

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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.