Home / 12,731,468.72-17,569,650.84-6,930,417.20

Finding the Fourth Proportional to 12,731,468.72, 17,569,650.84 and 6,930,417.20

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Solution

The fourth proportional to 12,731,468.72, 17,569,650.84 and 6,930,417.20 is: 9,564,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,468.72 : 17,569,650.84 = 6,930,417.20 : x
  2. Step 2: Convert to fraction form
    12,731,468.72/17,569,650.84 = 6,930,417.20/x
  3. Step 3: Cross multiply
    12,731,468.72x = 17,569,650.84 × 6,930,417.20
  4. Step 4: Simplify right side
    12,731,468.72x = 121,765,010,379,530.45
  5. Step 5: Solve for x
    x = 121,765,010,379,530.45/12,731,468.72
  6. Step 6: Final answer
    x = 9,564,097.67

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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.