Home / 18,309,362.40-27,464,043.60-10,646,114.40

Finding the Fourth Proportional to 18,309,362.40, 27,464,043.60 and 10,646,114.40

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Solution

The fourth proportional to 18,309,362.40, 27,464,043.60 and 10,646,114.40 is: 15,969,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309,362.40 : 27,464,043.60 = 10,646,114.40 : x
  2. Step 2: Convert to fraction form
    18,309,362.40/27,464,043.60 = 10,646,114.40/x
  3. Step 3: Cross multiply
    18,309,362.40x = 27,464,043.60 × 10,646,114.40
  4. Step 4: Simplify right side
    18,309,362.40x = 292,385,350,052,187.88
  5. Step 5: Solve for x
    x = 292,385,350,052,187.88/18,309,362.40
  6. Step 6: Final answer
    x = 15,969,171.60

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1.5x scale

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.