Home / 13,702,882.65-18,908,452.40-7,589,780.25

Finding the Fourth Proportional to 13,702,882.65, 18,908,452.40 and 7,589,780.25

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Solution

The fourth proportional to 13,702,882.65, 18,908,452.40 and 7,589,780.25 is: 10,473,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,882.65 : 18,908,452.40 = 7,589,780.25 : x
  2. Step 2: Convert to fraction form
    13,702,882.65/18,908,452.40 = 7,589,780.25/x
  3. Step 3: Cross multiply
    13,702,882.65x = 18,908,452.40 × 7,589,780.25
  4. Step 4: Simplify right side
    13,702,882.65x = 143,510,998,503,191.19
  5. Step 5: Solve for x
    x = 143,510,998,503,191.19/13,702,882.65
  6. Step 6: Final answer
    x = 10,473,051.71

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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.