Home / 20,451,943.32-28,223,662.14-11,284,586.52

Finding the Fourth Proportional to 20,451,943.32, 28,223,662.14 and 11,284,586.52

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Solution

The fourth proportional to 20,451,943.32, 28,223,662.14 and 11,284,586.52 is: 15,572,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451,943.32 : 28,223,662.14 = 11,284,586.52 : x
  2. Step 2: Convert to fraction form
    20,451,943.32/28,223,662.14 = 11,284,586.52/x
  3. Step 3: Cross multiply
    20,451,943.32x = 28,223,662.14 × 11,284,586.52
  4. Step 4: Simplify right side
    20,451,943.32x = 318,492,357,330,078.38
  5. Step 5: Solve for x
    x = 318,492,357,330,078.38/20,451,943.32
  6. Step 6: Final answer
    x = 15,572,718.56

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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.