Home / 21,061,203.10-31,591,804.65-14,678,662.30

Finding the Fourth Proportional to 21,061,203.10, 31,591,804.65 and 14,678,662.30

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Solution

The fourth proportional to 21,061,203.10, 31,591,804.65 and 14,678,662.30 is: 22,017,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,203.10 : 31,591,804.65 = 14,678,662.30 : x
  2. Step 2: Convert to fraction form
    21,061,203.10/31,591,804.65 = 14,678,662.30/x
  3. Step 3: Cross multiply
    21,061,203.10x = 31,591,804.65 × 14,678,662.30
  4. Step 4: Simplify right side
    21,061,203.10x = 463,725,431,904,919.69
  5. Step 5: Solve for x
    x = 463,725,431,904,919.69/21,061,203.10
  6. Step 6: Final answer
    x = 22,017,993.45

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Similar ratio
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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.