Home / 51,419,337.84-77,129,458.74-13,080,892.50

Finding the Fourth Proportional to 51,419,337.84, 77,129,458.74 and 13,080,892.50

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Solution

The fourth proportional to 51,419,337.84, 77,129,458.74 and 13,080,892.50 is: 19,621,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419,337.84 : 77,129,458.74 = 13,080,892.50 : x
  2. Step 2: Convert to fraction form
    51,419,337.84/77,129,458.74 = 13,080,892.50/x
  3. Step 3: Cross multiply
    51,419,337.84x = 77,129,458.74 × 13,080,892.50
  4. Step 4: Simplify right side
    51,419,337.84x = 1,008,922,158,361,125.38
  5. Step 5: Solve for x
    x = 1,008,922,158,361,125.38/51,419,337.84
  6. Step 6: Final answer
    x = 19,621,453.73

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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.