Home / 20,800,036.50-28,704,658.59-11,381,392.95

Finding the Fourth Proportional to 20,800,036.50, 28,704,658.59 and 11,381,392.95

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Solution

The fourth proportional to 20,800,036.50, 28,704,658.59 and 11,381,392.95 is: 15,706,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,036.50 : 28,704,658.59 = 11,381,392.95 : x
  2. Step 2: Convert to fraction form
    20,800,036.50/28,704,658.59 = 11,381,392.95/x
  3. Step 3: Cross multiply
    20,800,036.50x = 28,704,658.59 × 11,381,392.95
  4. Step 4: Simplify right side
    20,800,036.50x = 326,698,998,908,382.94
  5. Step 5: Solve for x
    x = 326,698,998,908,382.94/20,800,036.50
  6. Step 6: Final answer
    x = 15,706,655.08

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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.