Home / 13,710,756.69-20,561,365.45-5,510,964.56

Finding the Fourth Proportional to 13,710,756.69, 20,561,365.45 and 5,510,964.56

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Solution

The fourth proportional to 13,710,756.69, 20,561,365.45 and 5,510,964.56 is: 8,264,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710,756.69 : 20,561,365.45 = 5,510,964.56 : x
  2. Step 2: Convert to fraction form
    13,710,756.69/20,561,365.45 = 5,510,964.56/x
  3. Step 3: Cross multiply
    13,710,756.69x = 20,561,365.45 × 5,510,964.56
  4. Step 4: Simplify right side
    13,710,756.69x = 113,312,956,204,240.33
  5. Step 5: Solve for x
    x = 113,312,956,204,240.33/13,710,756.69
  6. Step 6: Final answer
    x = 8,264,529.72

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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.