Home / 21,678,343-32,530,111.68-9,711,079

Finding the Fourth Proportional to 21,678,343, 32,530,111.68 and 9,711,079

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Solution

The fourth proportional to 21,678,343, 32,530,111.68 and 9,711,079 is: 14,572,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,343 : 32,530,111.68 = 9,711,079 : x
  2. Step 2: Convert to fraction form
    21,678,343/32,530,111.68 = 9,711,079/x
  3. Step 3: Cross multiply
    21,678,343x = 32,530,111.68 × 9,711,079
  4. Step 4: Simplify right side
    21,678,343x = 315,902,484,403,302.69
  5. Step 5: Solve for x
    x = 315,902,484,403,302.69/21,678,343
  6. Step 6: Final answer
    x = 14,572,261.56

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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.