Home / 20,065,043.96-27,688,834.01-11,363,278.86

Finding the Fourth Proportional to 20,065,043.96, 27,688,834.01 and 11,363,278.86

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Solution

The fourth proportional to 20,065,043.96, 27,688,834.01 and 11,363,278.86 is: 15,680,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,043.96 : 27,688,834.01 = 11,363,278.86 : x
  2. Step 2: Convert to fraction form
    20,065,043.96/27,688,834.01 = 11,363,278.86/x
  3. Step 3: Cross multiply
    20,065,043.96x = 27,688,834.01 × 11,363,278.86
  4. Step 4: Simplify right side
    20,065,043.96x = 314,635,942,192,290.19
  5. Step 5: Solve for x
    x = 314,635,942,192,290.19/20,065,043.96
  6. Step 6: Final answer
    x = 15,680,800.04

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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.