Home / 8,681,059-13,020,320.78-2,531,388.12

Finding the Fourth Proportional to 8,681,059, 13,020,320.78 and 2,531,388.12

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Solution

The fourth proportional to 8,681,059, 13,020,320.78 and 2,531,388.12 is: 3,796,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,059 : 13,020,320.78 = 2,531,388.12 : x
  2. Step 2: Convert to fraction form
    8,681,059/13,020,320.78 = 2,531,388.12/x
  3. Step 3: Cross multiply
    8,681,059x = 13,020,320.78 × 2,531,388.12
  4. Step 4: Simplify right side
    8,681,059x = 32,959,485,341,081.13
  5. Step 5: Solve for x
    x = 32,959,485,341,081.13/8,681,059
  6. Step 6: Final answer
    x = 3,796,712.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.