Home / 28,986,733.40-40,002,189-15,934,542.44

Finding the Fourth Proportional to 28,986,733.40, 40,002,189 and 15,934,542.44

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Solution

The fourth proportional to 28,986,733.40, 40,002,189 and 15,934,542.44 is: 21,989,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,733.40 : 40,002,189 = 15,934,542.44 : x
  2. Step 2: Convert to fraction form
    28,986,733.40/40,002,189 = 15,934,542.44/x
  3. Step 3: Cross multiply
    28,986,733.40x = 40,002,189 × 15,934,542.44
  4. Step 4: Simplify right side
    28,986,733.40x = 637,416,578,313,401.12
  5. Step 5: Solve for x
    x = 637,416,578,313,401.12/28,986,733.40
  6. Step 6: Final answer
    x = 21,989,941.73

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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.