Home / 20,548,441.26-28,357,307.15-11,727,715.61

Finding the Fourth Proportional to 20,548,441.26, 28,357,307.15 and 11,727,715.61

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Solution

The fourth proportional to 20,548,441.26, 28,357,307.15 and 11,727,715.61 is: 16,184,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,441.26 : 28,357,307.15 = 11,727,715.61 : x
  2. Step 2: Convert to fraction form
    20,548,441.26/28,357,307.15 = 11,727,715.61/x
  3. Step 3: Cross multiply
    20,548,441.26x = 28,357,307.15 × 11,727,715.61
  4. Step 4: Simplify right side
    20,548,441.26x = 332,566,433,732,874.31
  5. Step 5: Solve for x
    x = 332,566,433,732,874.31/20,548,441.26
  6. Step 6: Final answer
    x = 16,184,509.06

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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.