Home / 8,891,615.71-12,270,442.17-4,817,234.71

Finding the Fourth Proportional to 8,891,615.71, 12,270,442.17 and 4,817,234.71

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Solution

The fourth proportional to 8,891,615.71, 12,270,442.17 and 4,817,234.71 is: 6,647,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891,615.71 : 12,270,442.17 = 4,817,234.71 : x
  2. Step 2: Convert to fraction form
    8,891,615.71/12,270,442.17 = 4,817,234.71/x
  3. Step 3: Cross multiply
    8,891,615.71x = 12,270,442.17 × 4,817,234.71
  4. Step 4: Simplify right side
    8,891,615.71x = 59,109,599,928,371.72
  5. Step 5: Solve for x
    x = 59,109,599,928,371.72/8,891,615.71
  6. Step 6: Final answer
    x = 6,647,790.67

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1.5x scale

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.