Home / 15,037,394.16-20,751,048-8,161,729.68

Finding the Fourth Proportional to 15,037,394.16, 20,751,048 and 8,161,729.68

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Solution

The fourth proportional to 15,037,394.16, 20,751,048 and 8,161,729.68 is: 11,262,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,394.16 : 20,751,048 = 8,161,729.68 : x
  2. Step 2: Convert to fraction form
    15,037,394.16/20,751,048 = 8,161,729.68/x
  3. Step 3: Cross multiply
    15,037,394.16x = 20,751,048 × 8,161,729.68
  4. Step 4: Simplify right side
    15,037,394.16x = 169,364,444,352,704.62
  5. Step 5: Solve for x
    x = 169,364,444,352,704.62/15,037,394.16
  6. Step 6: Final answer
    x = 11,262,885.21

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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.