Home / 12,176,683.68-16,797,452.63-7,528,983.05

Finding the Fourth Proportional to 12,176,683.68, 16,797,452.63 and 7,528,983.05

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Solution

The fourth proportional to 12,176,683.68, 16,797,452.63 and 7,528,983.05 is: 10,386,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,683.68 : 16,797,452.63 = 7,528,983.05 : x
  2. Step 2: Convert to fraction form
    12,176,683.68/16,797,452.63 = 7,528,983.05/x
  3. Step 3: Cross multiply
    12,176,683.68x = 16,797,452.63 × 7,528,983.05
  4. Step 4: Simplify right side
    12,176,683.68x = 126,467,736,012,815.73
  5. Step 5: Solve for x
    x = 126,467,736,012,815.73/12,176,683.68
  6. Step 6: Final answer
    x = 10,386,057.43

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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.