Home / 7,057,141.03-9,739,022.45-3,959,893.58

Finding the Fourth Proportional to 7,057,141.03, 9,739,022.45 and 3,959,893.58

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Solution

The fourth proportional to 7,057,141.03, 9,739,022.45 and 3,959,893.58 is: 5,464,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057,141.03 : 9,739,022.45 = 3,959,893.58 : x
  2. Step 2: Convert to fraction form
    7,057,141.03/9,739,022.45 = 3,959,893.58/x
  3. Step 3: Cross multiply
    7,057,141.03x = 9,739,022.45 × 3,959,893.58
  4. Step 4: Simplify right side
    7,057,141.03x = 38,565,492,406,736.30
  5. Step 5: Solve for x
    x = 38,565,492,406,736.30/7,057,141.03
  6. Step 6: Final answer
    x = 5,464,747.30

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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.