Home / 30,647,105.82-42,291,731.43-16,708,159.26

Finding the Fourth Proportional to 30,647,105.82, 42,291,731.43 and 16,708,159.26

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Solution

The fourth proportional to 30,647,105.82, 42,291,731.43 and 16,708,159.26 is: 23,056,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,105.82 : 42,291,731.43 = 16,708,159.26 : x
  2. Step 2: Convert to fraction form
    30,647,105.82/42,291,731.43 = 16,708,159.26/x
  3. Step 3: Cross multiply
    30,647,105.82x = 42,291,731.43 × 16,708,159.26
  4. Step 4: Simplify right side
    30,647,105.82x = 706,616,984,113,587.50
  5. Step 5: Solve for x
    x = 706,616,984,113,587.50/30,647,105.82
  6. Step 6: Final answer
    x = 23,056,564.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.