Home / 12,687,492.73-17,508,752.92-6,886,275.67

Finding the Fourth Proportional to 12,687,492.73, 17,508,752.92 and 6,886,275.67

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Solution

The fourth proportional to 12,687,492.73, 17,508,752.92 and 6,886,275.67 is: 9,503,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,492.73 : 17,508,752.92 = 6,886,275.67 : x
  2. Step 2: Convert to fraction form
    12,687,492.73/17,508,752.92 = 6,886,275.67/x
  3. Step 3: Cross multiply
    12,687,492.73x = 17,508,752.92 × 6,886,275.67
  4. Step 4: Simplify right side
    12,687,492.73x = 120,570,099,245,037.47
  5. Step 5: Solve for x
    x = 120,570,099,245,037.47/12,687,492.73
  6. Step 6: Final answer
    x = 9,503,067.45

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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.