Home / 13,334,628.30-20,001,942.45-12,812,081.10

Finding the Fourth Proportional to 13,334,628.30, 20,001,942.45 and 12,812,081.10

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Solution

The fourth proportional to 13,334,628.30, 20,001,942.45 and 12,812,081.10 is: 19,218,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,628.30 : 20,001,942.45 = 12,812,081.10 : x
  2. Step 2: Convert to fraction form
    13,334,628.30/20,001,942.45 = 12,812,081.10/x
  3. Step 3: Cross multiply
    13,334,628.30x = 20,001,942.45 × 12,812,081.10
  4. Step 4: Simplify right side
    13,334,628.30x = 256,266,508,826,932.69
  5. Step 5: Solve for x
    x = 256,266,508,826,932.69/13,334,628.30
  6. Step 6: Final answer
    x = 19,218,121.65

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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.