Home / 12,062,161.31-16,645,720.93-6,555,448.40

Finding the Fourth Proportional to 12,062,161.31, 16,645,720.93 and 6,555,448.40

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Solution

The fourth proportional to 12,062,161.31, 16,645,720.93 and 6,555,448.40 is: 9,046,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,161.31 : 16,645,720.93 = 6,555,448.40 : x
  2. Step 2: Convert to fraction form
    12,062,161.31/16,645,720.93 = 6,555,448.40/x
  3. Step 3: Cross multiply
    12,062,161.31x = 16,645,720.93 × 6,555,448.40
  4. Step 4: Simplify right side
    12,062,161.31x = 109,120,164,537,797.78
  5. Step 5: Solve for x
    x = 109,120,164,537,797.78/12,062,161.31
  6. Step 6: Final answer
    x = 9,046,485.27

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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.