Home / 28,452,733.20-39,264,768.90-15,399,989.82

Finding the Fourth Proportional to 28,452,733.20, 39,264,768.90 and 15,399,989.82

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Solution

The fourth proportional to 28,452,733.20, 39,264,768.90 and 15,399,989.82 is: 21,251,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,733.20 : 39,264,768.90 = 15,399,989.82 : x
  2. Step 2: Convert to fraction form
    28,452,733.20/39,264,768.90 = 15,399,989.82/x
  3. Step 3: Cross multiply
    28,452,733.20x = 39,264,768.90 × 15,399,989.82
  4. Step 4: Simplify right side
    28,452,733.20x = 604,677,041,344,652.62
  5. Step 5: Solve for x
    x = 604,677,041,344,652.62/28,452,733.20
  6. Step 6: Final answer
    x = 21,251,984.37

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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.