Home / 12,765,877.20-19,150,565.40-4,245,325.20

Finding the Fourth Proportional to 12,765,877.20, 19,150,565.40 and 4,245,325.20

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Solution

The fourth proportional to 12,765,877.20, 19,150,565.40 and 4,245,325.20 is: 6,368,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,877.20 : 19,150,565.40 = 4,245,325.20 : x
  2. Step 2: Convert to fraction form
    12,765,877.20/19,150,565.40 = 4,245,325.20/x
  3. Step 3: Cross multiply
    12,765,877.20x = 19,150,565.40 × 4,245,325.20
  4. Step 4: Simplify right side
    12,765,877.20x = 81,300,377,886,868.08
  5. Step 5: Solve for x
    x = 81,300,377,886,868.08/12,765,877.20
  6. Step 6: Final answer
    x = 6,368,569.63

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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.