Home / 7,999,796.61-12,001,189.28-3,207,860.91

Finding the Fourth Proportional to 7,999,796.61, 12,001,189.28 and 3,207,860.91

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Solution

The fourth proportional to 7,999,796.61, 12,001,189.28 and 3,207,860.91 is: 4,812,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,796.61 : 12,001,189.28 = 3,207,860.91 : x
  2. Step 2: Convert to fraction form
    7,999,796.61/12,001,189.28 = 3,207,860.91/x
  3. Step 3: Cross multiply
    7,999,796.61x = 12,001,189.28 × 3,207,860.91
  4. Step 4: Simplify right side
    7,999,796.61x = 38,498,145,948,783.74
  5. Step 5: Solve for x
    x = 38,498,145,948,783.74/7,999,796.61
  6. Step 6: Final answer
    x = 4,812,390.59

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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.