Home / 12,602,857.40-18,857,046.90-8,351,329.40

Finding the Fourth Proportional to 12,602,857.40, 18,857,046.90 and 8,351,329.40

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Solution

The fourth proportional to 12,602,857.40, 18,857,046.90 and 8,351,329.40 is: 12,495,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,857.40 : 18,857,046.90 = 8,351,329.40 : x
  2. Step 2: Convert to fraction form
    12,602,857.40/18,857,046.90 = 8,351,329.40/x
  3. Step 3: Cross multiply
    12,602,857.40x = 18,857,046.90 × 8,351,329.40
  4. Step 4: Simplify right side
    12,602,857.40x = 157,481,410,173,148.84
  5. Step 5: Solve for x
    x = 157,481,410,173,148.84/12,602,857.40
  6. Step 6: Final answer
    x = 12,495,690.87

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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.