Home / 15,284,579.52-21,092,719.04-8,408,914.08

Finding the Fourth Proportional to 15,284,579.52, 21,092,719.04 and 8,408,914.08

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Solution

The fourth proportional to 15,284,579.52, 21,092,719.04 and 8,408,914.08 is: 11,604,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,579.52 : 21,092,719.04 = 8,408,914.08 : x
  2. Step 2: Convert to fraction form
    15,284,579.52/21,092,719.04 = 8,408,914.08/x
  3. Step 3: Cross multiply
    15,284,579.52x = 21,092,719.04 × 8,408,914.08
  4. Step 4: Simplify right side
    15,284,579.52x = 177,366,862,120,940.06
  5. Step 5: Solve for x
    x = 177,366,862,120,940.06/15,284,579.52
  6. Step 6: Final answer
    x = 11,604,301.05

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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.