Home / 11,428,445.52-17,143,193.16-2,908,855.80

Finding the Fourth Proportional to 11,428,445.52, 17,143,193.16 and 2,908,855.80

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Solution

The fourth proportional to 11,428,445.52, 17,143,193.16 and 2,908,855.80 is: 4,363,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,445.52 : 17,143,193.16 = 2,908,855.80 : x
  2. Step 2: Convert to fraction form
    11,428,445.52/17,143,193.16 = 2,908,855.80/x
  3. Step 3: Cross multiply
    11,428,445.52x = 17,143,193.16 × 2,908,855.80
  4. Step 4: Simplify right side
    11,428,445.52x = 49,867,076,853,986.33
  5. Step 5: Solve for x
    x = 49,867,076,853,986.33/11,428,445.52
  6. Step 6: Final answer
    x = 4,363,417.30

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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.