Home / 18,435,621.60-27,653,432.40-4,787,648.10

Finding the Fourth Proportional to 18,435,621.60, 27,653,432.40 and 4,787,648.10

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Solution

The fourth proportional to 18,435,621.60, 27,653,432.40 and 4,787,648.10 is: 7,181,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,621.60 : 27,653,432.40 = 4,787,648.10 : x
  2. Step 2: Convert to fraction form
    18,435,621.60/27,653,432.40 = 4,787,648.10/x
  3. Step 3: Cross multiply
    18,435,621.60x = 27,653,432.40 × 4,787,648.10
  4. Step 4: Simplify right side
    18,435,621.60x = 132,394,903,088,338.42
  5. Step 5: Solve for x
    x = 132,394,903,088,338.42/18,435,621.60
  6. Step 6: Final answer
    x = 7,181,472.15

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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.