Home / 27,431,494.60-37,847,801.64-21,612,208.36

Finding the Fourth Proportional to 27,431,494.60, 37,847,801.64 and 21,612,208.36

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Solution

The fourth proportional to 27,431,494.60, 37,847,801.64 and 21,612,208.36 is: 29,818,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431,494.60 : 37,847,801.64 = 21,612,208.36 : x
  2. Step 2: Convert to fraction form
    27,431,494.60/37,847,801.64 = 21,612,208.36/x
  3. Step 3: Cross multiply
    27,431,494.60x = 37,847,801.64 × 21,612,208.36
  4. Step 4: Simplify right side
    27,431,494.60x = 817,974,575,011,629.75
  5. Step 5: Solve for x
    x = 817,974,575,011,629.75/27,431,494.60
  6. Step 6: Final answer
    x = 29,818,811.81

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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.