Home / 20,854,110.96-31,240,441.26-9,908,723.52

Finding the Fourth Proportional to 20,854,110.96, 31,240,441.26 and 9,908,723.52

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Solution

The fourth proportional to 20,854,110.96, 31,240,441.26 and 9,908,723.52 is: 14,843,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,110.96 : 31,240,441.26 = 9,908,723.52 : x
  2. Step 2: Convert to fraction form
    20,854,110.96/31,240,441.26 = 9,908,723.52/x
  3. Step 3: Cross multiply
    20,854,110.96x = 31,240,441.26 × 9,908,723.52
  4. Step 4: Simplify right side
    20,854,110.96x = 309,552,895,088,140.44
  5. Step 5: Solve for x
    x = 309,552,895,088,140.44/20,854,110.96
  6. Step 6: Final answer
    x = 14,843,734.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.