Home / 20,416,710.72-28,175,699.04-11,716,475.04

Finding the Fourth Proportional to 20,416,710.72, 28,175,699.04 and 11,716,475.04

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Solution

The fourth proportional to 20,416,710.72, 28,175,699.04 and 11,716,475.04 is: 16,169,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,710.72 : 28,175,699.04 = 11,716,475.04 : x
  2. Step 2: Convert to fraction form
    20,416,710.72/28,175,699.04 = 11,716,475.04/x
  3. Step 3: Cross multiply
    20,416,710.72x = 28,175,699.04 × 11,716,475.04
  4. Step 4: Simplify right side
    20,416,710.72x = 330,119,874,536,711.94
  5. Step 5: Solve for x
    x = 330,119,874,536,711.94/20,416,710.72
  6. Step 6: Final answer
    x = 16,169,101.82

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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.