Home / 28,560,074.18-39,412,949.02-15,507,358.34

Finding the Fourth Proportional to 28,560,074.18, 39,412,949.02 and 15,507,358.34

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Solution

The fourth proportional to 28,560,074.18, 39,412,949.02 and 15,507,358.34 is: 21,400,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,074.18 : 39,412,949.02 = 15,507,358.34 : x
  2. Step 2: Convert to fraction form
    28,560,074.18/39,412,949.02 = 15,507,358.34/x
  3. Step 3: Cross multiply
    28,560,074.18x = 39,412,949.02 × 15,507,358.34
  4. Step 4: Simplify right side
    28,560,074.18x = 611,190,723,453,458.75
  5. Step 5: Solve for x
    x = 611,190,723,453,458.75/28,560,074.18
  6. Step 6: Final answer
    x = 21,400,179.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.