Home / 13,428,541.72-20,148,766.26-7,037,274.52

Finding the Fourth Proportional to 13,428,541.72, 20,148,766.26 and 7,037,274.52

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Solution

The fourth proportional to 13,428,541.72, 20,148,766.26 and 7,037,274.52 is: 10,559,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,541.72 : 20,148,766.26 = 7,037,274.52 : x
  2. Step 2: Convert to fraction form
    13,428,541.72/20,148,766.26 = 7,037,274.52/x
  3. Step 3: Cross multiply
    13,428,541.72x = 20,148,766.26 × 7,037,274.52
  4. Step 4: Simplify right side
    13,428,541.72x = 141,792,399,410,933.69
  5. Step 5: Solve for x
    x = 141,792,399,410,933.69/13,428,541.72
  6. Step 6: Final answer
    x = 10,559,031.83

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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.