Home / 27,012,454.72-40,495,975.54-21,882,162.78

Finding the Fourth Proportional to 27,012,454.72, 40,495,975.54 and 21,882,162.78

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Solution

The fourth proportional to 27,012,454.72, 40,495,975.54 and 21,882,162.78 is: 32,804,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012,454.72 : 40,495,975.54 = 21,882,162.78 : x
  2. Step 2: Convert to fraction form
    27,012,454.72/40,495,975.54 = 21,882,162.78/x
  3. Step 3: Cross multiply
    27,012,454.72x = 40,495,975.54 × 21,882,162.78
  4. Step 4: Simplify right side
    27,012,454.72x = 886,139,528,701,178.38
  5. Step 5: Solve for x
    x = 886,139,528,701,178.38/27,012,454.72
  6. Step 6: Final answer
    x = 32,804,850.13

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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.