Home / 38,883,583.15-53,659,793.42-21,479,563.51

Finding the Fourth Proportional to 38,883,583.15, 53,659,793.42 and 21,479,563.51

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Solution

The fourth proportional to 38,883,583.15, 53,659,793.42 and 21,479,563.51 is: 29,642,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883,583.15 : 53,659,793.42 = 21,479,563.51 : x
  2. Step 2: Convert to fraction form
    38,883,583.15/53,659,793.42 = 21,479,563.51/x
  3. Step 3: Cross multiply
    38,883,583.15x = 53,659,793.42 × 21,479,563.51
  4. Step 4: Simplify right side
    38,883,583.15x = 1,152,588,940,537,371.25
  5. Step 5: Solve for x
    x = 1,152,588,940,537,371.25/38,883,583.15
  6. Step 6: Final answer
    x = 29,642,045.49

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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.