Home / 20,669,855.30-31,004,782.95-16,185,964.10

Finding the Fourth Proportional to 20,669,855.30, 31,004,782.95 and 16,185,964.10

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Solution

The fourth proportional to 20,669,855.30, 31,004,782.95 and 16,185,964.10 is: 24,278,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,855.30 : 31,004,782.95 = 16,185,964.10 : x
  2. Step 2: Convert to fraction form
    20,669,855.30/31,004,782.95 = 16,185,964.10/x
  3. Step 3: Cross multiply
    20,669,855.30x = 31,004,782.95 × 16,185,964.10
  4. Step 4: Simplify right side
    20,669,855.30x = 501,842,303,756,992.06
  5. Step 5: Solve for x
    x = 501,842,303,756,992.06/20,669,855.30
  6. Step 6: Final answer
    x = 24,278,946.15

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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.