Home / 13,442,846.60-20,111,125.80-11,665,471.70

Finding the Fourth Proportional to 13,442,846.60, 20,111,125.80 and 11,665,471.70

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Solution

The fourth proportional to 13,442,846.60, 20,111,125.80 and 11,665,471.70 is: 17,452,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,846.60 : 20,111,125.80 = 11,665,471.70 : x
  2. Step 2: Convert to fraction form
    13,442,846.60/20,111,125.80 = 11,665,471.70/x
  3. Step 3: Cross multiply
    13,442,846.60x = 20,111,125.80 × 11,665,471.70
  4. Step 4: Simplify right side
    13,442,846.60x = 234,605,768,875,039.84
  5. Step 5: Solve for x
    x = 234,605,768,875,039.84/13,442,846.60
  6. Step 6: Final answer
    x = 17,452,090.01

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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.