Home / 28,448,419.35-39,258,943.91-15,395,680.29

Finding the Fourth Proportional to 28,448,419.35, 39,258,943.91 and 15,395,680.29

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Solution

The fourth proportional to 28,448,419.35, 39,258,943.91 and 15,395,680.29 is: 21,246,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448,419.35 : 39,258,943.91 = 15,395,680.29 : x
  2. Step 2: Convert to fraction form
    28,448,419.35/39,258,943.91 = 15,395,680.29/x
  3. Step 3: Cross multiply
    28,448,419.35x = 39,258,943.91 × 15,395,680.29
  4. Step 4: Simplify right side
    28,448,419.35x = 604,418,148,884,424.12
  5. Step 5: Solve for x
    x = 604,418,148,884,424.12/28,448,419.35
  6. Step 6: Final answer
    x = 21,246,106.56

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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.