Home / 10,986,280.40-16,479,420.60-2,899,240.40

Finding the Fourth Proportional to 10,986,280.40, 16,479,420.60 and 2,899,240.40

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Solution

The fourth proportional to 10,986,280.40, 16,479,420.60 and 2,899,240.40 is: 4,348,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,280.40 : 16,479,420.60 = 2,899,240.40 : x
  2. Step 2: Convert to fraction form
    10,986,280.40/16,479,420.60 = 2,899,240.40/x
  3. Step 3: Cross multiply
    10,986,280.40x = 16,479,420.60 × 2,899,240.40
  4. Step 4: Simplify right side
    10,986,280.40x = 47,777,801,972,112.23
  5. Step 5: Solve for x
    x = 47,777,801,972,112.23/10,986,280.40
  6. Step 6: Final answer
    x = 4,348,860.60

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Double scale
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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.