Home / 12,565,436.75-18,837,360.18-4,367,013.78

Finding the Fourth Proportional to 12,565,436.75, 18,837,360.18 and 4,367,013.78

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Solution

The fourth proportional to 12,565,436.75, 18,837,360.18 and 4,367,013.78 is: 6,546,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565,436.75 : 18,837,360.18 = 4,367,013.78 : x
  2. Step 2: Convert to fraction form
    12,565,436.75/18,837,360.18 = 4,367,013.78/x
  3. Step 3: Cross multiply
    12,565,436.75x = 18,837,360.18 × 4,367,013.78
  4. Step 4: Simplify right side
    12,565,436.75x = 82,263,011,484,883.28
  5. Step 5: Solve for x
    x = 82,263,011,484,883.28/12,565,436.75
  6. Step 6: Final answer
    x = 6,546,768.98

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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.