Home / 15,051,712.47-20,771,933.07-8,436,422.10

Finding the Fourth Proportional to 15,051,712.47, 20,771,933.07 and 8,436,422.10

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Solution

The fourth proportional to 15,051,712.47, 20,771,933.07 and 8,436,422.10 is: 11,642,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,712.47 : 20,771,933.07 = 8,436,422.10 : x
  2. Step 2: Convert to fraction form
    15,051,712.47/20,771,933.07 = 8,436,422.10/x
  3. Step 3: Cross multiply
    15,051,712.47x = 20,771,933.07 × 8,436,422.10
  4. Step 4: Simplify right side
    15,051,712.47x = 175,240,795,107,609.19
  5. Step 5: Solve for x
    x = 175,240,795,107,609.19/15,051,712.47
  6. Step 6: Final answer
    x = 11,642,581.90

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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.