Home / 15,194,019.52-20,966,950.56-8,317,184.32

Finding the Fourth Proportional to 15,194,019.52, 20,966,950.56 and 8,317,184.32

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Solution

The fourth proportional to 15,194,019.52, 20,966,950.56 and 8,317,184.32 is: 11,477,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,019.52 : 20,966,950.56 = 8,317,184.32 : x
  2. Step 2: Convert to fraction form
    15,194,019.52/20,966,950.56 = 8,317,184.32/x
  3. Step 3: Cross multiply
    15,194,019.52x = 20,966,950.56 × 8,317,184.32
  4. Step 4: Simplify right side
    15,194,019.52x = 174,385,992,435,847.22
  5. Step 5: Solve for x
    x = 174,385,992,435,847.22/15,194,019.52
  6. Step 6: Final answer
    x = 11,477,278.43

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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.