Home / 17,496,538.60-26,248,955.10-8,978,189.80

Finding the Fourth Proportional to 17,496,538.60, 26,248,955.10 and 8,978,189.80

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Solution

The fourth proportional to 17,496,538.60, 26,248,955.10 and 8,978,189.80 is: 13,469,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,496,538.60 : 26,248,955.10 = 8,978,189.80 : x
  2. Step 2: Convert to fraction form
    17,496,538.60/26,248,955.10 = 8,978,189.80/x
  3. Step 3: Cross multiply
    17,496,538.60x = 26,248,955.10 × 8,978,189.80
  4. Step 4: Simplify right side
    17,496,538.60x = 235,668,100,939,478
  5. Step 5: Solve for x
    x = 235,668,100,939,478/17,496,538.60
  6. Step 6: Final answer
    x = 13,469,412.80

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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.