Home / 6,772,510.80-9,343,404.50-3,870,344.76

Finding the Fourth Proportional to 6,772,510.80, 9,343,404.50 and 3,870,344.76

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Solution

The fourth proportional to 6,772,510.80, 9,343,404.50 and 3,870,344.76 is: 5,339,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772,510.80 : 9,343,404.50 = 3,870,344.76 : x
  2. Step 2: Convert to fraction form
    6,772,510.80/9,343,404.50 = 3,870,344.76/x
  3. Step 3: Cross multiply
    6,772,510.80x = 9,343,404.50 × 3,870,344.76
  4. Step 4: Simplify right side
    6,772,510.80x = 36,162,196,647,135.41
  5. Step 5: Solve for x
    x = 36,162,196,647,135.41/6,772,510.80
  6. Step 6: Final answer
    x = 5,339,555.40

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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.