Home / 25,667,818.40-38,500,310.64-8,626,731.68

Finding the Fourth Proportional to 25,667,818.40, 38,500,310.64 and 8,626,731.68

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Solution

The fourth proportional to 25,667,818.40, 38,500,310.64 and 8,626,731.68 is: 12,939,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667,818.40 : 38,500,310.64 = 8,626,731.68 : x
  2. Step 2: Convert to fraction form
    25,667,818.40/38,500,310.64 = 8,626,731.68/x
  3. Step 3: Cross multiply
    25,667,818.40x = 38,500,310.64 × 8,626,731.68
  4. Step 4: Simplify right side
    25,667,818.40x = 332,131,849,487,929.06
  5. Step 5: Solve for x
    x = 332,131,849,487,929.06/25,667,818.40
  6. Step 6: Final answer
    x = 12,939,621.29

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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.