Home / 38,986,343.63-53,799,022.75-21,341,832.83

Finding the Fourth Proportional to 38,986,343.63, 53,799,022.75 and 21,341,832.83

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Solution

The fourth proportional to 38,986,343.63, 53,799,022.75 and 21,341,832.83 is: 29,450,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,343.63 : 53,799,022.75 = 21,341,832.83 : x
  2. Step 2: Convert to fraction form
    38,986,343.63/53,799,022.75 = 21,341,832.83/x
  3. Step 3: Cross multiply
    38,986,343.63x = 53,799,022.75 × 21,341,832.83
  4. Step 4: Simplify right side
    38,986,343.63x = 1,148,169,750,169,899
  5. Step 5: Solve for x
    x = 1,148,169,750,169,899/38,986,343.63
  6. Step 6: Final answer
    x = 29,450,562.51

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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.