Home / 10,803,658.80-16,183,715.40-6,747,697.20

Finding the Fourth Proportional to 10,803,658.80, 16,183,715.40 and 6,747,697.20

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Solution

The fourth proportional to 10,803,658.80, 16,183,715.40 and 6,747,697.20 is: 10,107,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803,658.80 : 16,183,715.40 = 6,747,697.20 : x
  2. Step 2: Convert to fraction form
    10,803,658.80/16,183,715.40 = 6,747,697.20/x
  3. Step 3: Cross multiply
    10,803,658.80x = 16,183,715.40 × 6,747,697.20
  4. Step 4: Simplify right side
    10,803,658.80x = 109,202,811,090,176.89
  5. Step 5: Solve for x
    x = 109,202,811,090,176.89/10,803,658.80
  6. Step 6: Final answer
    x = 10,107,947.05

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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.