Home / 18,709,993.37-28,065,996.08-5,931,494.53

Finding the Fourth Proportional to 18,709,993.37, 28,065,996.08 and 5,931,494.53

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Solution

The fourth proportional to 18,709,993.37, 28,065,996.08 and 5,931,494.53 is: 8,897,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,993.37 : 28,065,996.08 = 5,931,494.53 : x
  2. Step 2: Convert to fraction form
    18,709,993.37/28,065,996.08 = 5,931,494.53/x
  3. Step 3: Cross multiply
    18,709,993.37x = 28,065,996.08 × 5,931,494.53
  4. Step 4: Simplify right side
    18,709,993.37x = 166,473,302,149,942.06
  5. Step 5: Solve for x
    x = 166,473,302,149,942.06/18,709,993.37
  6. Step 6: Final answer
    x = 8,897,560.72

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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.