Home / 21,313,999.20-31,975,664.40-10,536,463.20

Finding the Fourth Proportional to 21,313,999.20, 31,975,664.40 and 10,536,463.20

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Solution

The fourth proportional to 21,313,999.20, 31,975,664.40 and 10,536,463.20 is: 15,807,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313,999.20 : 31,975,664.40 = 10,536,463.20 : x
  2. Step 2: Convert to fraction form
    21,313,999.20/31,975,664.40 = 10,536,463.20/x
  3. Step 3: Cross multiply
    21,313,999.20x = 31,975,664.40 × 10,536,463.20
  4. Step 4: Simplify right side
    21,313,999.20x = 336,910,411,246,150.06
  5. Step 5: Solve for x
    x = 336,910,411,246,150.06/21,313,999.20
  6. Step 6: Final answer
    x = 15,807,001.21

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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.