Home / 18,790,009.74-28,178,101.24-6,490,844.18

Finding the Fourth Proportional to 18,790,009.74, 28,178,101.24 and 6,490,844.18

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Solution

The fourth proportional to 18,790,009.74, 28,178,101.24 and 6,490,844.18 is: 9,733,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790,009.74 : 28,178,101.24 = 6,490,844.18 : x
  2. Step 2: Convert to fraction form
    18,790,009.74/28,178,101.24 = 6,490,844.18/x
  3. Step 3: Cross multiply
    18,790,009.74x = 28,178,101.24 × 6,490,844.18
  4. Step 4: Simplify right side
    18,790,009.74x = 182,899,664,437,104.75
  5. Step 5: Solve for x
    x = 182,899,664,437,104.75/18,790,009.74
  6. Step 6: Final answer
    x = 9,733,878.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.