Home / 39,029,927.28-53,861,246.82-21,627,399.48

Finding the Fourth Proportional to 39,029,927.28, 53,861,246.82 and 21,627,399.48

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Solution

The fourth proportional to 39,029,927.28, 53,861,246.82 and 21,627,399.48 is: 29,845,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,927.28 : 53,861,246.82 = 21,627,399.48 : x
  2. Step 2: Convert to fraction form
    39,029,927.28/53,861,246.82 = 21,627,399.48/x
  3. Step 3: Cross multiply
    39,029,927.28x = 53,861,246.82 × 21,627,399.48
  4. Step 4: Simplify right side
    39,029,927.28x = 1,164,878,701,467,019.75
  5. Step 5: Solve for x
    x = 1,164,878,701,467,019.75/39,029,927.28
  6. Step 6: Final answer
    x = 29,845,782.01

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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.