Home / 22,572,180.66-31,151,530.47-12,784,366.05

Finding the Fourth Proportional to 22,572,180.66, 31,151,530.47 and 12,784,366.05

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Solution

The fourth proportional to 22,572,180.66, 31,151,530.47 and 12,784,366.05 is: 17,643,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,180.66 : 31,151,530.47 = 12,784,366.05 : x
  2. Step 2: Convert to fraction form
    22,572,180.66/31,151,530.47 = 12,784,366.05/x
  3. Step 3: Cross multiply
    22,572,180.66x = 31,151,530.47 × 12,784,366.05
  4. Step 4: Simplify right side
    22,572,180.66x = 398,252,568,546,208.56
  5. Step 5: Solve for x
    x = 398,252,568,546,208.56/22,572,180.66
  6. Step 6: Final answer
    x = 17,643,513.25

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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.