Home / 12,376,518.05-17,080,675.74-7,221,540.35

Finding the Fourth Proportional to 12,376,518.05, 17,080,675.74 and 7,221,540.35

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Solution

The fourth proportional to 12,376,518.05, 17,080,675.74 and 7,221,540.35 is: 9,966,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,518.05 : 17,080,675.74 = 7,221,540.35 : x
  2. Step 2: Convert to fraction form
    12,376,518.05/17,080,675.74 = 7,221,540.35/x
  3. Step 3: Cross multiply
    12,376,518.05x = 17,080,675.74 × 7,221,540.35
  4. Step 4: Simplify right side
    12,376,518.05x = 123,348,788,976,272.72
  5. Step 5: Solve for x
    x = 123,348,788,976,272.72/12,376,518.05
  6. Step 6: Final answer
    x = 9,966,356.33

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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.