Home / 12,130,236.24-18,204,133.80-4,745,373.12

Finding the Fourth Proportional to 12,130,236.24, 18,204,133.80 and 4,745,373.12

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Solution

The fourth proportional to 12,130,236.24, 18,204,133.80 and 4,745,373.12 is: 7,121,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,236.24 : 18,204,133.80 = 4,745,373.12 : x
  2. Step 2: Convert to fraction form
    12,130,236.24/18,204,133.80 = 4,745,373.12/x
  3. Step 3: Cross multiply
    12,130,236.24x = 18,204,133.80 × 4,745,373.12
  4. Step 4: Simplify right side
    12,130,236.24x = 86,385,407,207,403.47
  5. Step 5: Solve for x
    x = 86,385,407,207,403.47/12,130,236.24
  6. Step 6: Final answer
    x = 7,121,494.21

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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.