Home / 20,216,153.54-30,313,441.17-10,490,974.43

Finding the Fourth Proportional to 20,216,153.54, 30,313,441.17 and 10,490,974.43

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Solution

The fourth proportional to 20,216,153.54, 30,313,441.17 and 10,490,974.43 is: 15,730,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,153.54 : 30,313,441.17 = 10,490,974.43 : x
  2. Step 2: Convert to fraction form
    20,216,153.54/30,313,441.17 = 10,490,974.43/x
  3. Step 3: Cross multiply
    20,216,153.54x = 30,313,441.17 × 10,490,974.43
  4. Step 4: Simplify right side
    20,216,153.54x = 318,017,536,199,779.31
  5. Step 5: Solve for x
    x = 318,017,536,199,779.31/20,216,153.54
  6. Step 6: Final answer
    x = 15,730,862.73

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1.5x scale

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.