Home / 28,733,165.54-39,651,758.06-15,680,424.48

Finding the Fourth Proportional to 28,733,165.54, 39,651,758.06 and 15,680,424.48

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Solution

The fourth proportional to 28,733,165.54, 39,651,758.06 and 15,680,424.48 is: 21,638,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,165.54 : 39,651,758.06 = 15,680,424.48 : x
  2. Step 2: Convert to fraction form
    28,733,165.54/39,651,758.06 = 15,680,424.48/x
  3. Step 3: Cross multiply
    28,733,165.54x = 39,651,758.06 × 15,680,424.48
  4. Step 4: Simplify right side
    28,733,165.54x = 621,756,397,680,659.25
  5. Step 5: Solve for x
    x = 621,756,397,680,659.25/28,733,165.54
  6. Step 6: Final answer
    x = 21,638,980.12

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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.