Home / 6,872,305.72-9,482,643.98-3,971,966.66

Finding the Fourth Proportional to 6,872,305.72, 9,482,643.98 and 3,971,966.66

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Solution

The fourth proportional to 6,872,305.72, 9,482,643.98 and 3,971,966.66 is: 5,480,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,305.72 : 9,482,643.98 = 3,971,966.66 : x
  2. Step 2: Convert to fraction form
    6,872,305.72/9,482,643.98 = 3,971,966.66/x
  3. Step 3: Cross multiply
    6,872,305.72x = 9,482,643.98 × 3,971,966.66
  4. Step 4: Simplify right side
    6,872,305.72x = 37,664,745,737,209.71
  5. Step 5: Solve for x
    x = 37,664,745,737,209.71/6,872,305.72
  6. Step 6: Final answer
    x = 5,480,656.32

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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.