Home / 10,871,296.20-16,306,944.30-7,288,115.40

Finding the Fourth Proportional to 10,871,296.20, 16,306,944.30 and 7,288,115.40

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Solution

The fourth proportional to 10,871,296.20, 16,306,944.30 and 7,288,115.40 is: 10,932,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,296.20 : 16,306,944.30 = 7,288,115.40 : x
  2. Step 2: Convert to fraction form
    10,871,296.20/16,306,944.30 = 7,288,115.40/x
  3. Step 3: Cross multiply
    10,871,296.20x = 16,306,944.30 × 7,288,115.40
  4. Step 4: Simplify right side
    10,871,296.20x = 118,846,891,879,772.23
  5. Step 5: Solve for x
    x = 118,846,891,879,772.23/10,871,296.20
  6. Step 6: Final answer
    x = 10,932,173.10

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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.