Home / 12,544,764.84-18,814,902.55-7,982,260.83

Finding the Fourth Proportional to 12,544,764.84, 18,814,902.55 and 7,982,260.83

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Solution

The fourth proportional to 12,544,764.84, 18,814,902.55 and 7,982,260.83 is: 11,971,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,764.84 : 18,814,902.55 = 7,982,260.83 : x
  2. Step 2: Convert to fraction form
    12,544,764.84/18,814,902.55 = 7,982,260.83/x
  3. Step 3: Cross multiply
    12,544,764.84x = 18,814,902.55 × 7,982,260.83
  4. Step 4: Simplify right side
    12,544,764.84x = 150,185,459,625,176.47
  5. Step 5: Solve for x
    x = 150,185,459,625,176.47/12,544,764.84
  6. Step 6: Final answer
    x = 11,971,962.93

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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.