Home / 22,128,147.52-30,537,219.66-12,206,168.62

Finding the Fourth Proportional to 22,128,147.52, 30,537,219.66 and 12,206,168.62

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Solution

The fourth proportional to 22,128,147.52, 30,537,219.66 and 12,206,168.62 is: 16,844,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,147.52 : 30,537,219.66 = 12,206,168.62 : x
  2. Step 2: Convert to fraction form
    22,128,147.52/30,537,219.66 = 12,206,168.62/x
  3. Step 3: Cross multiply
    22,128,147.52x = 30,537,219.66 × 12,206,168.62
  4. Step 4: Simplify right side
    22,128,147.52x = 372,742,452,355,939.06
  5. Step 5: Solve for x
    x = 372,742,452,355,939.06/22,128,147.52
  6. Step 6: Final answer
    x = 16,844,720.15

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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.