Home / 29,045,291.12-43,538,043.18-12,878,855.96

Finding the Fourth Proportional to 29,045,291.12, 43,538,043.18 and 12,878,855.96

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Solution

The fourth proportional to 29,045,291.12, 43,538,043.18 and 12,878,855.96 is: 19,305,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045,291.12 : 43,538,043.18 = 12,878,855.96 : x
  2. Step 2: Convert to fraction form
    29,045,291.12/43,538,043.18 = 12,878,855.96/x
  3. Step 3: Cross multiply
    29,045,291.12x = 43,538,043.18 × 12,878,855.96
  4. Step 4: Simplify right side
    29,045,291.12x = 560,720,186,895,480.38
  5. Step 5: Solve for x
    x = 560,720,186,895,480.38/29,045,291.12
  6. Step 6: Final answer
    x = 19,305,028.98

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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.