Home / 10,993,278.40-16,500,415.20-9,397,643.20

Finding the Fourth Proportional to 10,993,278.40, 16,500,415.20 and 9,397,643.20

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Solution

The fourth proportional to 10,993,278.40, 16,500,415.20 and 9,397,643.20 is: 14,105,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,278.40 : 16,500,415.20 = 9,397,643.20 : x
  2. Step 2: Convert to fraction form
    10,993,278.40/16,500,415.20 = 9,397,643.20/x
  3. Step 3: Cross multiply
    10,993,278.40x = 16,500,415.20 × 9,397,643.20
  4. Step 4: Simplify right side
    10,993,278.40x = 155,065,014,701,456.62
  5. Step 5: Solve for x
    x = 155,065,014,701,456.62/10,993,278.40
  6. Step 6: Final answer
    x = 14,105,438.71

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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.