Home / 10,728,043.40-16,092,065.10-10,014,206.60

Finding the Fourth Proportional to 10,728,043.40, 16,092,065.10 and 10,014,206.60

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Solution

The fourth proportional to 10,728,043.40, 16,092,065.10 and 10,014,206.60 is: 15,021,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,043.40 : 16,092,065.10 = 10,014,206.60 : x
  2. Step 2: Convert to fraction form
    10,728,043.40/16,092,065.10 = 10,014,206.60/x
  3. Step 3: Cross multiply
    10,728,043.40x = 16,092,065.10 × 10,014,206.60
  4. Step 4: Simplify right side
    10,728,043.40x = 161,149,264,532,049.66
  5. Step 5: Solve for x
    x = 161,149,264,532,049.66/10,728,043.40
  6. Step 6: Final answer
    x = 15,021,309.90

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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.