Home / 21,333,724.21-29,440,617.47-11,544,168.48

Finding the Fourth Proportional to 21,333,724.21, 29,440,617.47 and 11,544,168.48

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Solution

The fourth proportional to 21,333,724.21, 29,440,617.47 and 11,544,168.48 is: 15,930,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,724.21 : 29,440,617.47 = 11,544,168.48 : x
  2. Step 2: Convert to fraction form
    21,333,724.21/29,440,617.47 = 11,544,168.48/x
  3. Step 3: Cross multiply
    21,333,724.21x = 29,440,617.47 × 11,544,168.48
  4. Step 4: Simplify right side
    21,333,724.21x = 339,867,448,228,911.38
  5. Step 5: Solve for x
    x = 339,867,448,228,911.38/21,333,724.21
  6. Step 6: Final answer
    x = 15,930,994.74

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1.5x scale

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.