Home / 15,284,570.31-21,092,706.32-8,408,904.75

Finding the Fourth Proportional to 15,284,570.31, 21,092,706.32 and 8,408,904.75

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Solution

The fourth proportional to 15,284,570.31, 21,092,706.32 and 8,408,904.75 is: 11,604,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,570.31 : 21,092,706.32 = 8,408,904.75 : x
  2. Step 2: Convert to fraction form
    15,284,570.31/21,092,706.32 = 8,408,904.75/x
  3. Step 3: Cross multiply
    15,284,570.31x = 21,092,706.32 × 8,408,904.75
  4. Step 4: Simplify right side
    15,284,570.31x = 177,366,558,322,558.50
  5. Step 5: Solve for x
    x = 177,366,558,322,558.50/15,284,570.31
  6. Step 6: Final answer
    x = 11,604,288.16

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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.