Home / 12,826,047.80-19,222,742.10-5,244,447.80

Finding the Fourth Proportional to 12,826,047.80, 19,222,742.10 and 5,244,447.80

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Solution

The fourth proportional to 12,826,047.80, 19,222,742.10 and 5,244,447.80 is: 7,859,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,047.80 : 19,222,742.10 = 5,244,447.80 : x
  2. Step 2: Convert to fraction form
    12,826,047.80/19,222,742.10 = 5,244,447.80/x
  3. Step 3: Cross multiply
    12,826,047.80x = 19,222,742.10 × 5,244,447.80
  4. Step 4: Simplify right side
    12,826,047.80x = 100,812,667,516,312.39
  5. Step 5: Solve for x
    x = 100,812,667,516,312.39/12,826,047.80
  6. Step 6: Final answer
    x = 7,859,994.68

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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.