Home / 27,895,116.90-38,505,703.68-20,945,869.32

Finding the Fourth Proportional to 27,895,116.90, 38,505,703.68 and 20,945,869.32

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Solution

The fourth proportional to 27,895,116.90, 38,505,703.68 and 20,945,869.32 is: 28,913,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895,116.90 : 38,505,703.68 = 20,945,869.32 : x
  2. Step 2: Convert to fraction form
    27,895,116.90/38,505,703.68 = 20,945,869.32/x
  3. Step 3: Cross multiply
    27,895,116.90x = 38,505,703.68 × 20,945,869.32
  4. Step 4: Simplify right side
    27,895,116.90x = 806,535,437,355,923.12
  5. Step 5: Solve for x
    x = 806,535,437,355,923.12/27,895,116.90
  6. Step 6: Final answer
    x = 28,913,140.61

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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.