Home / 12,423,725.84-18,640,072.84-4,337,892.72

Finding the Fourth Proportional to 12,423,725.84, 18,640,072.84 and 4,337,892.72

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Solution

The fourth proportional to 12,423,725.84, 18,640,072.84 and 4,337,892.72 is: 6,508,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,725.84 : 18,640,072.84 = 4,337,892.72 : x
  2. Step 2: Convert to fraction form
    12,423,725.84/18,640,072.84 = 4,337,892.72/x
  3. Step 3: Cross multiply
    12,423,725.84x = 18,640,072.84 × 4,337,892.72
  4. Step 4: Simplify right side
    12,423,725.84x = 80,858,636,272,905.72
  5. Step 5: Solve for x
    x = 80,858,636,272,905.72/12,423,725.84
  6. Step 6: Final answer
    x = 6,508,404.75

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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.