Home / 25,245,676.20-37,843,631.10-12,455,711.40

Finding the Fourth Proportional to 25,245,676.20, 37,843,631.10 and 12,455,711.40

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Solution

The fourth proportional to 25,245,676.20, 37,843,631.10 and 12,455,711.40 is: 18,671,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245,676.20 : 37,843,631.10 = 12,455,711.40 : x
  2. Step 2: Convert to fraction form
    25,245,676.20/37,843,631.10 = 12,455,711.40/x
  3. Step 3: Cross multiply
    25,245,676.20x = 37,843,631.10 × 12,455,711.40
  4. Step 4: Simplify right side
    25,245,676.20x = 471,369,347,309,664.56
  5. Step 5: Solve for x
    x = 471,369,347,309,664.56/25,245,676.20
  6. Step 6: Final answer
    x = 18,671,290.23

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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.