Home / 13,706,295.31-20,557,130.16-6,420,534.43

Finding the Fourth Proportional to 13,706,295.31, 20,557,130.16 and 6,420,534.43

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Solution

The fourth proportional to 13,706,295.31, 20,557,130.16 and 6,420,534.43 is: 9,629,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,295.31 : 20,557,130.16 = 6,420,534.43 : x
  2. Step 2: Convert to fraction form
    13,706,295.31/20,557,130.16 = 6,420,534.43/x
  3. Step 3: Cross multiply
    13,706,295.31x = 20,557,130.16 × 6,420,534.43
  4. Step 4: Simplify right side
    13,706,295.31x = 131,987,761,974,271.41
  5. Step 5: Solve for x
    x = 131,987,761,974,271.41/13,706,295.31
  6. Step 6: Final answer
    x = 9,629,718.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.