Home / 22,455,017.28-30,988,327.50-13,169,284.65

Finding the Fourth Proportional to 22,455,017.28, 30,988,327.50 and 13,169,284.65

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Solution

The fourth proportional to 22,455,017.28, 30,988,327.50 and 13,169,284.65 is: 18,173,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455,017.28 : 30,988,327.50 = 13,169,284.65 : x
  2. Step 2: Convert to fraction form
    22,455,017.28/30,988,327.50 = 13,169,284.65/x
  3. Step 3: Cross multiply
    22,455,017.28x = 30,988,327.50 × 13,169,284.65
  4. Step 4: Simplify right side
    22,455,017.28x = 408,094,105,674,922.88
  5. Step 5: Solve for x
    x = 408,094,105,674,922.88/22,455,017.28
  6. Step 6: Final answer
    x = 18,173,849.55

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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.