Home / 21,061,481.10-31,592,221.65-14,678,940.30

Finding the Fourth Proportional to 21,061,481.10, 31,592,221.65 and 14,678,940.30

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Solution

The fourth proportional to 21,061,481.10, 31,592,221.65 and 14,678,940.30 is: 22,018,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,481.10 : 31,592,221.65 = 14,678,940.30 : x
  2. Step 2: Convert to fraction form
    21,061,481.10/31,592,221.65 = 14,678,940.30/x
  3. Step 3: Cross multiply
    21,061,481.10x = 31,592,221.65 × 14,678,940.30
  4. Step 4: Simplify right side
    21,061,481.10x = 463,740,335,544,717.50
  5. Step 5: Solve for x
    x = 463,740,335,544,717.50/21,061,481.10
  6. Step 6: Final answer
    x = 22,018,410.45

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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.