Home / 13,687,571.87-20,528,741.60-4,102,951.42

Finding the Fourth Proportional to 13,687,571.87, 20,528,741.60 and 4,102,951.42

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Solution

The fourth proportional to 13,687,571.87, 20,528,741.60 and 4,102,951.42 is: 6,153,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,571.87 : 20,528,741.60 = 4,102,951.42 : x
  2. Step 2: Convert to fraction form
    13,687,571.87/20,528,741.60 = 4,102,951.42/x
  3. Step 3: Cross multiply
    13,687,571.87x = 20,528,741.60 × 4,102,951.42
  4. Step 4: Simplify right side
    13,687,571.87x = 84,228,429,542,148.52
  5. Step 5: Solve for x
    x = 84,228,429,542,148.52/13,687,571.87
  6. Step 6: Final answer
    x = 6,153,642.91

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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.