Home / 12,975,212.40-19,463,077.80-3,389,996.40

Finding the Fourth Proportional to 12,975,212.40, 19,463,077.80 and 3,389,996.40

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Solution

The fourth proportional to 12,975,212.40, 19,463,077.80 and 3,389,996.40 is: 5,085,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,212.40 : 19,463,077.80 = 3,389,996.40 : x
  2. Step 2: Convert to fraction form
    12,975,212.40/19,463,077.80 = 3,389,996.40/x
  3. Step 3: Cross multiply
    12,975,212.40x = 19,463,077.80 × 3,389,996.40
  4. Step 4: Simplify right side
    12,975,212.40x = 65,979,763,674,919.92
  5. Step 5: Solve for x
    x = 65,979,763,674,919.92/12,975,212.40
  6. Step 6: Final answer
    x = 5,085,062.32

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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.