Home / 13,375,674.20-20,069,732.10-6,993,133.40

Finding the Fourth Proportional to 13,375,674.20, 20,069,732.10 and 6,993,133.40

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Solution

The fourth proportional to 13,375,674.20, 20,069,732.10 and 6,993,133.40 is: 10,492,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,674.20 : 20,069,732.10 = 6,993,133.40 : x
  2. Step 2: Convert to fraction form
    13,375,674.20/20,069,732.10 = 6,993,133.40/x
  3. Step 3: Cross multiply
    13,375,674.20x = 20,069,732.10 × 6,993,133.40
  4. Step 4: Simplify right side
    13,375,674.20x = 140,350,313,877,562.16
  5. Step 5: Solve for x
    x = 140,350,313,877,562.16/13,375,674.20
  6. Step 6: Final answer
    x = 10,492,952.49

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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.