Home / 8,264,171.81-12,389,158.07-2,872,121.69

Finding the Fourth Proportional to 8,264,171.81, 12,389,158.07 and 2,872,121.69

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Solution

The fourth proportional to 8,264,171.81, 12,389,158.07 and 2,872,121.69 is: 4,305,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,171.81 : 12,389,158.07 = 2,872,121.69 : x
  2. Step 2: Convert to fraction form
    8,264,171.81/12,389,158.07 = 2,872,121.69/x
  3. Step 3: Cross multiply
    8,264,171.81x = 12,389,158.07 × 2,872,121.69
  4. Step 4: Simplify right side
    8,264,171.81x = 35,583,169,641,068.28
  5. Step 5: Solve for x
    x = 35,583,169,641,068.28/8,264,171.81
  6. Step 6: Final answer
    x = 4,305,715.13

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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.