Home / 36,081,228.96-49,799,329.58-21,405,041.46

Finding the Fourth Proportional to 36,081,228.96, 49,799,329.58 and 21,405,041.46

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Solution

The fourth proportional to 36,081,228.96, 49,799,329.58 and 21,405,041.46 is: 29,543,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081,228.96 : 49,799,329.58 = 21,405,041.46 : x
  2. Step 2: Convert to fraction form
    36,081,228.96/49,799,329.58 = 21,405,041.46/x
  3. Step 3: Cross multiply
    36,081,228.96x = 49,799,329.58 × 21,405,041.46
  4. Step 4: Simplify right side
    36,081,228.96x = 1,065,956,714,340,104.38
  5. Step 5: Solve for x
    x = 1,065,956,714,340,104.38/36,081,228.96
  6. Step 6: Final answer
    x = 29,543,248.53

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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.