Home / 13,305,399.56-19,960,256.28-5,213,988

Finding the Fourth Proportional to 13,305,399.56, 19,960,256.28 and 5,213,988

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Solution

The fourth proportional to 13,305,399.56, 19,960,256.28 and 5,213,988 is: 7,821,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,399.56 : 19,960,256.28 = 5,213,988 : x
  2. Step 2: Convert to fraction form
    13,305,399.56/19,960,256.28 = 5,213,988/x
  3. Step 3: Cross multiply
    13,305,399.56x = 19,960,256.28 × 5,213,988
  4. Step 4: Simplify right side
    13,305,399.56x = 104,072,536,720,844.64
  5. Step 5: Solve for x
    x = 104,072,536,720,844.64/13,305,399.56
  6. Step 6: Final answer
    x = 7,821,827.24

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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.