Home / 36,081,223.95-49,799,322.68-21,405,036.45

Finding the Fourth Proportional to 36,081,223.95, 49,799,322.68 and 21,405,036.45

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Solution

The fourth proportional to 36,081,223.95, 49,799,322.68 and 21,405,036.45 is: 29,543,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081,223.95 : 49,799,322.68 = 21,405,036.45 : x
  2. Step 2: Convert to fraction form
    36,081,223.95/49,799,322.68 = 21,405,036.45/x
  3. Step 3: Cross multiply
    36,081,223.95x = 49,799,322.68 × 21,405,036.45
  4. Step 4: Simplify right side
    36,081,223.95x = 1,065,956,317,043,686.38
  5. Step 5: Solve for x
    x = 1,065,956,317,043,686.38/36,081,223.95
  6. Step 6: Final answer
    x = 29,543,241.62

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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.