Home / 21,926,320.44-30,251,366.10-12,757,191.72

Finding the Fourth Proportional to 21,926,320.44, 30,251,366.10 and 12,757,191.72

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Solution

The fourth proportional to 21,926,320.44, 30,251,366.10 and 12,757,191.72 is: 17,600,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926,320.44 : 30,251,366.10 = 12,757,191.72 : x
  2. Step 2: Convert to fraction form
    21,926,320.44/30,251,366.10 = 12,757,191.72/x
  3. Step 3: Cross multiply
    21,926,320.44x = 30,251,366.10 × 12,757,191.72
  4. Step 4: Simplify right side
    21,926,320.44x = 385,922,477,129,608.75
  5. Step 5: Solve for x
    x = 385,922,477,129,608.75/21,926,320.44
  6. Step 6: Final answer
    x = 17,600,877.36

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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.