Home / 22,455,025.28-30,988,338.54-13,169,292.66

Finding the Fourth Proportional to 22,455,025.28, 30,988,338.54 and 13,169,292.66

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Solution

The fourth proportional to 22,455,025.28, 30,988,338.54 and 13,169,292.66 is: 18,173,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455,025.28 : 30,988,338.54 = 13,169,292.66 : x
  2. Step 2: Convert to fraction form
    22,455,025.28/30,988,338.54 = 13,169,292.66/x
  3. Step 3: Cross multiply
    22,455,025.28x = 30,988,338.54 × 13,169,292.66
  4. Step 4: Simplify right side
    22,455,025.28x = 408,094,499,280,417.12
  5. Step 5: Solve for x
    x = 408,094,499,280,417.12/22,455,025.28
  6. Step 6: Final answer
    x = 18,173,860.60

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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.