Home / 25,513,319.52-35,212,419.72-15,206,021.28

Finding the Fourth Proportional to 25,513,319.52, 35,212,419.72 and 15,206,021.28

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Solution

The fourth proportional to 25,513,319.52, 35,212,419.72 and 15,206,021.28 is: 20,986,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513,319.52 : 35,212,419.72 = 15,206,021.28 : x
  2. Step 2: Convert to fraction form
    25,513,319.52/35,212,419.72 = 15,206,021.28/x
  3. Step 3: Cross multiply
    25,513,319.52x = 35,212,419.72 × 15,206,021.28
  4. Step 4: Simplify right side
    25,513,319.52x = 535,440,803,582,611.62
  5. Step 5: Solve for x
    x = 535,440,803,582,611.62/25,513,319.52
  6. Step 6: Final answer
    x = 20,986,716.49

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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.