Home / 8,217,947.54-12,328,602.60-2,825,897.69

Finding the Fourth Proportional to 8,217,947.54, 12,328,602.60 and 2,825,897.69

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Solution

The fourth proportional to 8,217,947.54, 12,328,602.60 and 2,825,897.69 is: 4,239,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217,947.54 : 12,328,602.60 = 2,825,897.69 : x
  2. Step 2: Convert to fraction form
    8,217,947.54/12,328,602.60 = 2,825,897.69/x
  3. Step 3: Cross multiply
    8,217,947.54x = 12,328,602.60 × 2,825,897.69
  4. Step 4: Simplify right side
    8,217,947.54x = 34,839,369,532,495.50
  5. Step 5: Solve for x
    x = 34,839,369,532,495.50/8,217,947.54
  6. Step 6: Final answer
    x = 4,239,424.67

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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.