Home / 15,414,080.31-21,271,427.64-8,445,005.08

Finding the Fourth Proportional to 15,414,080.31, 21,271,427.64 and 8,445,005.08

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Solution

The fourth proportional to 15,414,080.31, 21,271,427.64 and 8,445,005.08 is: 11,654,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414,080.31 : 21,271,427.64 = 8,445,005.08 : x
  2. Step 2: Convert to fraction form
    15,414,080.31/21,271,427.64 = 8,445,005.08/x
  3. Step 3: Cross multiply
    15,414,080.31x = 21,271,427.64 × 8,445,005.08
  4. Step 4: Simplify right side
    15,414,080.31x = 179,637,314,425,473.88
  5. Step 5: Solve for x
    x = 179,637,314,425,473.88/15,414,080.31
  6. Step 6: Final answer
    x = 11,654,105.26

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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.