Home / 25,287,814-37,908,469.86-9,109,808.68

Finding the Fourth Proportional to 25,287,814, 37,908,469.86 and 9,109,808.68

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Solution

The fourth proportional to 25,287,814, 37,908,469.86 and 9,109,808.68 is: 13,656,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287,814 : 37,908,469.86 = 9,109,808.68 : x
  2. Step 2: Convert to fraction form
    25,287,814/37,908,469.86 = 9,109,808.68/x
  3. Step 3: Cross multiply
    25,287,814x = 37,908,469.86 × 9,109,808.68
  4. Step 4: Simplify right side
    25,287,814x = 345,338,907,776,146.38
  5. Step 5: Solve for x
    x = 345,338,907,776,146.38/25,287,814
  6. Step 6: Final answer
    x = 13,656,336.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.