Home / 27,217,801.80-40,826,702.70-20,499,337.80

Finding the Fourth Proportional to 27,217,801.80, 40,826,702.70 and 20,499,337.80

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Solution

The fourth proportional to 27,217,801.80, 40,826,702.70 and 20,499,337.80 is: 30,749,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,801.80 : 40,826,702.70 = 20,499,337.80 : x
  2. Step 2: Convert to fraction form
    27,217,801.80/40,826,702.70 = 20,499,337.80/x
  3. Step 3: Cross multiply
    27,217,801.80x = 40,826,702.70 × 20,499,337.80
  4. Step 4: Simplify right side
    27,217,801.80x = 836,920,369,907,472.12
  5. Step 5: Solve for x
    x = 836,920,369,907,472.12/27,217,801.80
  6. Step 6: Final answer
    x = 30,749,006.70

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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.