Home / 20,669,892.30-31,004,838.45-16,186,001.10

Finding the Fourth Proportional to 20,669,892.30, 31,004,838.45 and 16,186,001.10

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Solution

The fourth proportional to 20,669,892.30, 31,004,838.45 and 16,186,001.10 is: 24,279,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,892.30 : 31,004,838.45 = 16,186,001.10 : x
  2. Step 2: Convert to fraction form
    20,669,892.30/31,004,838.45 = 16,186,001.10/x
  3. Step 3: Cross multiply
    20,669,892.30x = 31,004,838.45 × 16,186,001.10
  4. Step 4: Simplify right side
    20,669,892.30x = 501,844,349,257,022.25
  5. Step 5: Solve for x
    x = 501,844,349,257,022.25/20,669,892.30
  6. Step 6: Final answer
    x = 24,279,001.65

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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.