Home / 9,862,981.72-13,611,335.12-5,512,067.90

Finding the Fourth Proportional to 9,862,981.72, 13,611,335.12 and 5,512,067.90

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Solution

The fourth proportional to 9,862,981.72, 13,611,335.12 and 5,512,067.90 is: 7,606,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862,981.72 : 13,611,335.12 = 5,512,067.90 : x
  2. Step 2: Convert to fraction form
    9,862,981.72/13,611,335.12 = 5,512,067.90/x
  3. Step 3: Cross multiply
    9,862,981.72x = 13,611,335.12 × 5,512,067.90
  4. Step 4: Simplify right side
    9,862,981.72x = 75,026,603,370,846.48
  5. Step 5: Solve for x
    x = 75,026,603,370,846.48/9,862,981.72
  6. Step 6: Final answer
    x = 7,606,888.62

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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.