Home / 21,997,178.40-33,007,577.40-9,218,974.80

Finding the Fourth Proportional to 21,997,178.40, 33,007,577.40 and 9,218,974.80

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Solution

The fourth proportional to 21,997,178.40, 33,007,577.40 and 9,218,974.80 is: 13,833,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,178.40 : 33,007,577.40 = 9,218,974.80 : x
  2. Step 2: Convert to fraction form
    21,997,178.40/33,007,577.40 = 9,218,974.80/x
  3. Step 3: Cross multiply
    21,997,178.40x = 33,007,577.40 × 9,218,974.80
  4. Step 4: Simplify right side
    21,997,178.40x = 304,296,024,259,649.50
  5. Step 5: Solve for x
    x = 304,296,024,259,649.50/21,997,178.40
  6. Step 6: Final answer
    x = 13,833,411.66

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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.