Home / 20,482,992.96-28,264,119.96-11,315,088.96

Finding the Fourth Proportional to 20,482,992.96, 28,264,119.96 and 11,315,088.96

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Solution

The fourth proportional to 20,482,992.96, 28,264,119.96 and 11,315,088.96 is: 15,613,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482,992.96 : 28,264,119.96 = 11,315,088.96 : x
  2. Step 2: Convert to fraction form
    20,482,992.96/28,264,119.96 = 11,315,088.96/x
  3. Step 3: Cross multiply
    20,482,992.96x = 28,264,119.96 × 11,315,088.96
  4. Step 4: Simplify right side
    20,482,992.96x = 319,811,031,723,511.69
  5. Step 5: Solve for x
    x = 319,811,031,723,511.69/20,482,992.96
  6. Step 6: Final answer
    x = 15,613,491.27

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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.