Home / 28,480,277.82-39,301,971.42-16,719,357.07

Finding the Fourth Proportional to 28,480,277.82, 39,301,971.42 and 16,719,357.07

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Solution

The fourth proportional to 28,480,277.82, 39,301,971.42 and 16,719,357.07 is: 23,072,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480,277.82 : 39,301,971.42 = 16,719,357.07 : x
  2. Step 2: Convert to fraction form
    28,480,277.82/39,301,971.42 = 16,719,357.07/x
  3. Step 3: Cross multiply
    28,480,277.82x = 39,301,971.42 × 16,719,357.07
  4. Step 4: Simplify right side
    28,480,277.82x = 657,103,693,642,318.12
  5. Step 5: Solve for x
    x = 657,103,693,642,318.12/28,480,277.82
  6. Step 6: Final answer
    x = 23,072,236.09

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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.