Home / 26,561,779.04-36,672,179.45-21,678,649.08

Finding the Fourth Proportional to 26,561,779.04, 36,672,179.45 and 21,678,649.08

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Solution

The fourth proportional to 26,561,779.04, 36,672,179.45 and 21,678,649.08 is: 29,930,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561,779.04 : 36,672,179.45 = 21,678,649.08 : x
  2. Step 2: Convert to fraction form
    26,561,779.04/36,672,179.45 = 21,678,649.08/x
  3. Step 3: Cross multiply
    26,561,779.04x = 36,672,179.45 × 21,678,649.08
  4. Step 4: Simplify right side
    26,561,779.04x = 795,003,309,295,337.38
  5. Step 5: Solve for x
    x = 795,003,309,295,337.38/26,561,779.04
  6. Step 6: Final answer
    x = 29,930,348.72

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1.5x scale

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.