Home / 20,065,029.75-27,688,814.42-11,363,264.65

Finding the Fourth Proportional to 20,065,029.75, 27,688,814.42 and 11,363,264.65

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Solution

The fourth proportional to 20,065,029.75, 27,688,814.42 and 11,363,264.65 is: 15,680,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,029.75 : 27,688,814.42 = 11,363,264.65 : x
  2. Step 2: Convert to fraction form
    20,065,029.75/27,688,814.42 = 11,363,264.65/x
  3. Step 3: Cross multiply
    20,065,029.75x = 27,688,814.42 × 11,363,264.65
  4. Step 4: Simplify right side
    20,065,029.75x = 314,635,326,076,990.94
  5. Step 5: Solve for x
    x = 314,635,326,076,990.94/20,065,029.75
  6. Step 6: Final answer
    x = 15,680,780.44

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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.