Home / 8,305,681.80-12,462,021.90-4,521,880.20

Finding the Fourth Proportional to 8,305,681.80, 12,462,021.90 and 4,521,880.20

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Solution

The fourth proportional to 8,305,681.80, 12,462,021.90 and 4,521,880.20 is: 6,784,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,681.80 : 12,462,021.90 = 4,521,880.20 : x
  2. Step 2: Convert to fraction form
    8,305,681.80/12,462,021.90 = 4,521,880.20/x
  3. Step 3: Cross multiply
    8,305,681.80x = 12,462,021.90 × 4,521,880.20
  4. Step 4: Simplify right side
    8,305,681.80x = 56,351,770,081,576.38
  5. Step 5: Solve for x
    x = 56,351,770,081,576.38/8,305,681.80
  6. Step 6: Final answer
    x = 6,784,725.38

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1.5x scale

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.