Home / 15,919,090.68-21,968,772.30-8,676,213.24

Finding the Fourth Proportional to 15,919,090.68, 21,968,772.30 and 8,676,213.24

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Solution

The fourth proportional to 15,919,090.68, 21,968,772.30 and 8,676,213.24 is: 11,973,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,090.68 : 21,968,772.30 = 8,676,213.24 : x
  2. Step 2: Convert to fraction form
    15,919,090.68/21,968,772.30 = 8,676,213.24/x
  3. Step 3: Cross multiply
    15,919,090.68x = 21,968,772.30 × 8,676,213.24
  4. Step 4: Simplify right side
    15,919,090.68x = 190,605,753,095,805.25
  5. Step 5: Solve for x
    x = 190,605,753,095,805.25/15,919,090.68
  6. Step 6: Final answer
    x = 11,973,407.08

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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.