Home / 21,567,780.60-32,367,738.53-15,825,353.06

Finding the Fourth Proportional to 21,567,780.60, 32,367,738.53 and 15,825,353.06

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Solution

The fourth proportional to 21,567,780.60, 32,367,738.53 and 15,825,353.06 is: 23,749,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,780.60 : 32,367,738.53 = 15,825,353.06 : x
  2. Step 2: Convert to fraction form
    21,567,780.60/32,367,738.53 = 15,825,353.06/x
  3. Step 3: Cross multiply
    21,567,780.60x = 32,367,738.53 × 15,825,353.06
  4. Step 4: Simplify right side
    21,567,780.60x = 512,230,889,992,807.94
  5. Step 5: Solve for x
    x = 512,230,889,992,807.94/21,567,780.60
  6. Step 6: Final answer
    x = 23,749,819.21

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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.