Home / 13,037,409.60-19,558,447.20-5,465,140.80

Finding the Fourth Proportional to 13,037,409.60, 19,558,447.20 and 5,465,140.80

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Solution

The fourth proportional to 13,037,409.60, 19,558,447.20 and 5,465,140.80 is: 8,198,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,409.60 : 19,558,447.20 = 5,465,140.80 : x
  2. Step 2: Convert to fraction form
    13,037,409.60/19,558,447.20 = 5,465,140.80/x
  3. Step 3: Cross multiply
    13,037,409.60x = 19,558,447.20 × 5,465,140.80
  4. Step 4: Simplify right side
    13,037,409.60x = 106,889,667,777,365.75
  5. Step 5: Solve for x
    x = 106,889,667,777,365.75/13,037,409.60
  6. Step 6: Final answer
    x = 8,198,689.08

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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.