Home / 11,319,722.05-15,621,600.81-6,359,039.50

Finding the Fourth Proportional to 11,319,722.05, 15,621,600.81 and 6,359,039.50

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Solution

The fourth proportional to 11,319,722.05, 15,621,600.81 and 6,359,039.50 is: 8,775,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319,722.05 : 15,621,600.81 = 6,359,039.50 : x
  2. Step 2: Convert to fraction form
    11,319,722.05/15,621,600.81 = 6,359,039.50/x
  3. Step 3: Cross multiply
    11,319,722.05x = 15,621,600.81 × 6,359,039.50
  4. Step 4: Simplify right side
    11,319,722.05x = 99,338,376,525,914
  5. Step 5: Solve for x
    x = 99,338,376,525,914/11,319,722.05
  6. Step 6: Final answer
    x = 8,775,690.44

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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.