Home / 28,608,094.80-39,478,895.46-15,555,358.56

Finding the Fourth Proportional to 28,608,094.80, 39,478,895.46 and 15,555,358.56

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Solution

The fourth proportional to 28,608,094.80, 39,478,895.46 and 15,555,358.56 is: 21,466,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,094.80 : 39,478,895.46 = 15,555,358.56 : x
  2. Step 2: Convert to fraction form
    28,608,094.80/39,478,895.46 = 15,555,358.56/x
  3. Step 3: Cross multiply
    28,608,094.80x = 39,478,895.46 × 15,555,358.56
  4. Step 4: Simplify right side
    28,608,094.80x = 614,108,374,433,056.12
  5. Step 5: Solve for x
    x = 614,108,374,433,056.12/28,608,094.80
  6. Step 6: Final answer
    x = 21,466,245.09

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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.