Home / 22,221,641.72-30,667,056.87-12,431,502.03

Finding the Fourth Proportional to 22,221,641.72, 30,667,056.87 and 12,431,502.03

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Solution

The fourth proportional to 22,221,641.72, 30,667,056.87 and 12,431,502.03 is: 17,156,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,641.72 : 30,667,056.87 = 12,431,502.03 : x
  2. Step 2: Convert to fraction form
    22,221,641.72/30,667,056.87 = 12,431,502.03/x
  3. Step 3: Cross multiply
    22,221,641.72x = 30,667,056.87 × 12,431,502.03
  4. Step 4: Simplify right side
    22,221,641.72x = 381,237,579,733,530.44
  5. Step 5: Solve for x
    x = 381,237,579,733,530.44/22,221,641.72
  6. Step 6: Final answer
    x = 17,156,139.25

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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.