Home / 42,580,100.76-63,869,234.58-11,873,862.84

Finding the Fourth Proportional to 42,580,100.76, 63,869,234.58 and 11,873,862.84

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Solution

The fourth proportional to 42,580,100.76, 63,869,234.58 and 11,873,862.84 is: 17,810,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,100.76 : 63,869,234.58 = 11,873,862.84 : x
  2. Step 2: Convert to fraction form
    42,580,100.76/63,869,234.58 = 11,873,862.84/x
  3. Step 3: Cross multiply
    42,580,100.76x = 63,869,234.58 × 11,873,862.84
  4. Step 4: Simplify right side
    42,580,100.76x = 758,374,531,098,705
  5. Step 5: Solve for x
    x = 758,374,531,098,705/42,580,100.76
  6. Step 6: Final answer
    x = 17,810,538.67

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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.