Home / 21,506,333.85-29,678,651.76-11,716,747.96

Finding the Fourth Proportional to 21,506,333.85, 29,678,651.76 and 11,716,747.96

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Solution

The fourth proportional to 21,506,333.85, 29,678,651.76 and 11,716,747.96 is: 16,169,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,333.85 : 29,678,651.76 = 11,716,747.96 : x
  2. Step 2: Convert to fraction form
    21,506,333.85/29,678,651.76 = 11,716,747.96/x
  3. Step 3: Cross multiply
    21,506,333.85x = 29,678,651.76 × 11,716,747.96
  4. Step 4: Simplify right side
    21,506,333.85x = 347,737,282,464,530.44
  5. Step 5: Solve for x
    x = 347,737,282,464,530.44/21,506,333.85
  6. Step 6: Final answer
    x = 16,169,063.72

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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.