Home / 13,305,398.57-19,960,254.78-5,213,987

Finding the Fourth Proportional to 13,305,398.57, 19,960,254.78 and 5,213,987

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Solution

The fourth proportional to 13,305,398.57, 19,960,254.78 and 5,213,987 is: 7,821,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,398.57 : 19,960,254.78 = 5,213,987 : x
  2. Step 2: Convert to fraction form
    13,305,398.57/19,960,254.78 = 5,213,987/x
  3. Step 3: Cross multiply
    13,305,398.57x = 19,960,254.78 × 5,213,987
  4. Step 4: Simplify right side
    13,305,398.57x = 104,072,508,939,607.86
  5. Step 5: Solve for x
    x = 104,072,508,939,607.86/13,305,398.57
  6. Step 6: Final answer
    x = 7,821,825.73

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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.