Home / 8,906,508.87-12,289,946.45-4,986,486.33

Finding the Fourth Proportional to 8,906,508.87, 12,289,946.45 and 4,986,486.33

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Solution

The fourth proportional to 8,906,508.87, 12,289,946.45 and 4,986,486.33 is: 6,880,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,508.87 : 12,289,946.45 = 4,986,486.33 : x
  2. Step 2: Convert to fraction form
    8,906,508.87/12,289,946.45 = 4,986,486.33/x
  3. Step 3: Cross multiply
    8,906,508.87x = 12,289,946.45 × 4,986,486.33
  4. Step 4: Simplify right side
    8,906,508.87x = 61,283,649,944,424.60
  5. Step 5: Solve for x
    x = 61,283,649,944,424.60/8,906,508.87
  6. Step 6: Final answer
    x = 6,880,771.22

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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.