Home / 12,489,354.36-17,235,337.68-6,982,925.76

Finding the Fourth Proportional to 12,489,354.36, 17,235,337.68 and 6,982,925.76

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Solution

The fourth proportional to 12,489,354.36, 17,235,337.68 and 6,982,925.76 is: 9,636,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489,354.36 : 17,235,337.68 = 6,982,925.76 : x
  2. Step 2: Convert to fraction form
    12,489,354.36/17,235,337.68 = 6,982,925.76/x
  3. Step 3: Cross multiply
    12,489,354.36x = 17,235,337.68 × 6,982,925.76
  4. Step 4: Simplify right side
    12,489,354.36x = 120,353,083,467,970.62
  5. Step 5: Solve for x
    x = 120,353,083,467,970.62/12,489,354.36
  6. Step 6: Final answer
    x = 9,636,453.57

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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.