Home / 27,918,491.43-38,526,965.69-15,528,318.33

Finding the Fourth Proportional to 27,918,491.43, 38,526,965.69 and 15,528,318.33

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Solution

The fourth proportional to 27,918,491.43, 38,526,965.69 and 15,528,318.33 is: 21,428,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918,491.43 : 38,526,965.69 = 15,528,318.33 : x
  2. Step 2: Convert to fraction form
    27,918,491.43/38,526,965.69 = 15,528,318.33/x
  3. Step 3: Cross multiply
    27,918,491.43x = 38,526,965.69 × 15,528,318.33
  4. Step 4: Simplify right side
    27,918,491.43x = 598,258,987,445,666.50
  5. Step 5: Solve for x
    x = 598,258,987,445,666.50/27,918,491.43
  6. Step 6: Final answer
    x = 21,428,772.00

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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.