Home / 12,167,271.28-16,772,945.56-9,261,601.24

Finding the Fourth Proportional to 12,167,271.28, 16,772,945.56 and 9,261,601.24

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Solution

The fourth proportional to 12,167,271.28, 16,772,945.56 and 9,261,601.24 is: 12,767,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,271.28 : 16,772,945.56 = 9,261,601.24 : x
  2. Step 2: Convert to fraction form
    12,167,271.28/16,772,945.56 = 9,261,601.24/x
  3. Step 3: Cross multiply
    12,167,271.28x = 16,772,945.56 × 9,261,601.24
  4. Step 4: Simplify right side
    12,167,271.28x = 155,344,333,396,948.50
  5. Step 5: Solve for x
    x = 155,344,333,396,948.50/12,167,271.28
  6. Step 6: Final answer
    x = 12,767,392.94

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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.