Home / 12,577,742.03-17,357,179.62-7,071,141.43

Finding the Fourth Proportional to 12,577,742.03, 17,357,179.62 and 7,071,141.43

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Solution

The fourth proportional to 12,577,742.03, 17,357,179.62 and 7,071,141.43 is: 9,758,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,742.03 : 17,357,179.62 = 7,071,141.43 : x
  2. Step 2: Convert to fraction form
    12,577,742.03/17,357,179.62 = 7,071,141.43/x
  3. Step 3: Cross multiply
    12,577,742.03x = 17,357,179.62 × 7,071,141.43
  4. Step 4: Simplify right side
    12,577,742.03x = 122,735,071,918,933.66
  5. Step 5: Solve for x
    x = 122,735,071,918,933.66/12,577,742.03
  6. Step 6: Final answer
    x = 9,758,116.49

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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.