Home / 12,132,683.88-16,735,414.38-9,225,701.64

Finding the Fourth Proportional to 12,132,683.88, 16,735,414.38 and 9,225,701.64

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Solution

The fourth proportional to 12,132,683.88, 16,735,414.38 and 9,225,701.64 is: 12,725,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,683.88 : 16,735,414.38 = 9,225,701.64 : x
  2. Step 2: Convert to fraction form
    12,132,683.88/16,735,414.38 = 9,225,701.64/x
  3. Step 3: Cross multiply
    12,132,683.88x = 16,735,414.38 × 9,225,701.64
  4. Step 4: Simplify right side
    12,132,683.88x = 154,395,939,891,645.59
  5. Step 5: Solve for x
    x = 154,395,939,891,645.59/12,132,683.88
  6. Step 6: Final answer
    x = 12,725,621.26

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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.