Home / 21,662,872.20-29,908,356.66-13,941,333.32

Finding the Fourth Proportional to 21,662,872.20, 29,908,356.66 and 13,941,333.32

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Solution

The fourth proportional to 21,662,872.20, 29,908,356.66 and 13,941,333.32 is: 19,247,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662,872.20 : 29,908,356.66 = 13,941,333.32 : x
  2. Step 2: Convert to fraction form
    21,662,872.20/29,908,356.66 = 13,941,333.32/x
  3. Step 3: Cross multiply
    21,662,872.20x = 29,908,356.66 × 13,941,333.32
  4. Step 4: Simplify right side
    21,662,872.20x = 416,962,369,250,501.94
  5. Step 5: Solve for x
    x = 416,962,369,250,501.94/21,662,872.20
  6. Step 6: Final answer
    x = 19,247,787.89

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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.