Home / 15,284,580.56-21,092,720.46-8,408,915

Finding the Fourth Proportional to 15,284,580.56, 21,092,720.46 and 8,408,915

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Solution

The fourth proportional to 15,284,580.56, 21,092,720.46 and 8,408,915 is: 11,604,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,580.56 : 21,092,720.46 = 8,408,915 : x
  2. Step 2: Convert to fraction form
    15,284,580.56/21,092,720.46 = 8,408,915/x
  3. Step 3: Cross multiply
    15,284,580.56x = 21,092,720.46 × 8,408,915
  4. Step 4: Simplify right side
    15,284,580.56x = 177,366,893,466,900.91
  5. Step 5: Solve for x
    x = 177,366,893,466,900.91/15,284,580.56
  6. Step 6: Final answer
    x = 11,604,302.31

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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.