Home / 21,008,533.82-29,015,691.48-14,121,058.46

Finding the Fourth Proportional to 21,008,533.82, 29,015,691.48 and 14,121,058.46

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Solution

The fourth proportional to 21,008,533.82, 29,015,691.48 and 14,121,058.46 is: 19,503,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,533.82 : 29,015,691.48 = 14,121,058.46 : x
  2. Step 2: Convert to fraction form
    21,008,533.82/29,015,691.48 = 14,121,058.46/x
  3. Step 3: Cross multiply
    21,008,533.82x = 29,015,691.48 × 14,121,058.46
  4. Step 4: Simplify right side
    21,008,533.82x = 409,732,275,501,325.50
  5. Step 5: Solve for x
    x = 409,732,275,501,325.50/21,008,533.82
  6. Step 6: Final answer
    x = 19,503,135.21

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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.