Home / 8,196,369.43-11,300,475.80-6,720,841.53

Finding the Fourth Proportional to 8,196,369.43, 11,300,475.80 and 6,720,841.53

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Solution

The fourth proportional to 8,196,369.43, 11,300,475.80 and 6,720,841.53 is: 9,266,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,369.43 : 11,300,475.80 = 6,720,841.53 : x
  2. Step 2: Convert to fraction form
    8,196,369.43/11,300,475.80 = 6,720,841.53/x
  3. Step 3: Cross multiply
    8,196,369.43x = 11,300,475.80 × 6,720,841.53
  4. Step 4: Simplify right side
    8,196,369.43x = 75,948,707,065,399.98
  5. Step 5: Solve for x
    x = 75,948,707,065,399.98/8,196,369.43
  6. Step 6: Final answer
    x = 9,266,140.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.