Home / 31,262,385.40-43,045,789.16-27,771,670.96

Finding the Fourth Proportional to 31,262,385.40, 43,045,789.16 and 27,771,670.96

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Solution

The fourth proportional to 31,262,385.40, 43,045,789.16 and 27,771,670.96 is: 38,239,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262,385.40 : 43,045,789.16 = 27,771,670.96 : x
  2. Step 2: Convert to fraction form
    31,262,385.40/43,045,789.16 = 27,771,670.96/x
  3. Step 3: Cross multiply
    31,262,385.40x = 43,045,789.16 × 27,771,670.96
  4. Step 4: Simplify right side
    31,262,385.40x = 1,195,453,492,726,869.50
  5. Step 5: Solve for x
    x = 1,195,453,492,726,869.50/31,262,385.40
  6. Step 6: Final answer
    x = 38,239,356.26

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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.