Home / 18,168,145.16-27,241,241-7,240,015.96

Finding the Fourth Proportional to 18,168,145.16, 27,241,241 and 7,240,015.96

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Solution

The fourth proportional to 18,168,145.16, 27,241,241 and 7,240,015.96 is: 10,855,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,145.16 : 27,241,241 = 7,240,015.96 : x
  2. Step 2: Convert to fraction form
    18,168,145.16/27,241,241 = 7,240,015.96/x
  3. Step 3: Cross multiply
    18,168,145.16x = 27,241,241 × 7,240,015.96
  4. Step 4: Simplify right side
    18,168,145.16x = 197,227,019,610,206.34
  5. Step 5: Solve for x
    x = 197,227,019,610,206.34/18,168,145.16
  6. Step 6: Final answer
    x = 10,855,649.70

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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.