Home / 20,426,766.30-28,188,089.32-11,134,131.92

Finding the Fourth Proportional to 20,426,766.30, 28,188,089.32 and 11,134,131.92

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Solution

The fourth proportional to 20,426,766.30, 28,188,089.32 and 11,134,131.92 is: 15,364,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,766.30 : 28,188,089.32 = 11,134,131.92 : x
  2. Step 2: Convert to fraction form
    20,426,766.30/28,188,089.32 = 11,134,131.92/x
  3. Step 3: Cross multiply
    20,426,766.30x = 28,188,089.32 × 11,134,131.92
  4. Step 4: Simplify right side
    20,426,766.30x = 313,849,905,061,623.12
  5. Step 5: Solve for x
    x = 313,849,905,061,623.12/20,426,766.30
  6. Step 6: Final answer
    x = 15,364,639.73

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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.