Home / 15,027,123.27-20,737,436.72-8,500,613.07

Finding the Fourth Proportional to 15,027,123.27, 20,737,436.72 and 8,500,613.07

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Solution

The fourth proportional to 15,027,123.27, 20,737,436.72 and 8,500,613.07 is: 11,730,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,123.27 : 20,737,436.72 = 8,500,613.07 : x
  2. Step 2: Convert to fraction form
    15,027,123.27/20,737,436.72 = 8,500,613.07/x
  3. Step 3: Cross multiply
    15,027,123.27x = 20,737,436.72 × 8,500,613.07
  4. Step 4: Simplify right side
    15,027,123.27x = 176,280,925,620,329.94
  5. Step 5: Solve for x
    x = 176,280,925,620,329.94/15,027,123.27
  6. Step 6: Final answer
    x = 11,730,849.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.