Home / 12,304,586.28-18,446,887.20-5,121,496.86

Finding the Fourth Proportional to 12,304,586.28, 18,446,887.20 and 5,121,496.86

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Solution

The fourth proportional to 12,304,586.28, 18,446,887.20 and 5,121,496.86 is: 7,678,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,586.28 : 18,446,887.20 = 5,121,496.86 : x
  2. Step 2: Convert to fraction form
    12,304,586.28/18,446,887.20 = 5,121,496.86/x
  3. Step 3: Cross multiply
    12,304,586.28x = 18,446,887.20 × 5,121,496.86
  4. Step 4: Simplify right side
    12,304,586.28x = 94,475,674,871,574.19
  5. Step 5: Solve for x
    x = 94,475,674,871,574.19/12,304,586.28
  6. Step 6: Final answer
    x = 7,678,086.26

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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.