Home / 15,253,476.08-21,052,852.10-9,061,961.52

Finding the Fourth Proportional to 15,253,476.08, 21,052,852.10 and 9,061,961.52

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Solution

The fourth proportional to 15,253,476.08, 21,052,852.10 and 9,061,961.52 is: 12,507,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253,476.08 : 21,052,852.10 = 9,061,961.52 : x
  2. Step 2: Convert to fraction form
    15,253,476.08/21,052,852.10 = 9,061,961.52/x
  3. Step 3: Cross multiply
    15,253,476.08x = 21,052,852.10 × 9,061,961.52
  4. Step 4: Simplify right side
    15,253,476.08x = 190,780,135,616,451.19
  5. Step 5: Solve for x
    x = 190,780,135,616,451.19/15,253,476.08
  6. Step 6: Final answer
    x = 12,507,321.91

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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.