Home / 15,116,318.35-20,860,320.11-8,500,904.84

Finding the Fourth Proportional to 15,116,318.35, 20,860,320.11 and 8,500,904.84

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Solution

The fourth proportional to 15,116,318.35, 20,860,320.11 and 8,500,904.84 is: 11,731,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,318.35 : 20,860,320.11 = 8,500,904.84 : x
  2. Step 2: Convert to fraction form
    15,116,318.35/20,860,320.11 = 8,500,904.84/x
  3. Step 3: Cross multiply
    15,116,318.35x = 20,860,320.11 × 8,500,904.84
  4. Step 4: Simplify right side
    15,116,318.35x = 177,331,596,196,694.59
  5. Step 5: Solve for x
    x = 177,331,596,196,694.59/15,116,318.35
  6. Step 6: Final answer
    x = 11,731,136.65

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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.