Home / 18,503,225.08-27,770,780.78-12,827,435.16

Finding the Fourth Proportional to 18,503,225.08, 27,770,780.78 and 12,827,435.16

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Solution

The fourth proportional to 18,503,225.08, 27,770,780.78 and 12,827,435.16 is: 19,252,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,225.08 : 27,770,780.78 = 12,827,435.16 : x
  2. Step 2: Convert to fraction form
    18,503,225.08/27,770,780.78 = 12,827,435.16/x
  3. Step 3: Cross multiply
    18,503,225.08x = 27,770,780.78 × 12,827,435.16
  4. Step 4: Simplify right side
    18,503,225.08x = 356,227,889,798,024.25
  5. Step 5: Solve for x
    x = 356,227,889,798,024.25/18,503,225.08
  6. Step 6: Final answer
    x = 19,252,205.40

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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.