Home / 15,048,106.49-20,767,667.69-8,522,896.75

Finding the Fourth Proportional to 15,048,106.49, 20,767,667.69 and 8,522,896.75

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Solution

The fourth proportional to 15,048,106.49, 20,767,667.69 and 8,522,896.75 is: 11,762,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,106.49 : 20,767,667.69 = 8,522,896.75 : x
  2. Step 2: Convert to fraction form
    15,048,106.49/20,767,667.69 = 8,522,896.75/x
  3. Step 3: Cross multiply
    15,048,106.49x = 20,767,667.69 × 8,522,896.75
  4. Step 4: Simplify right side
    15,048,106.49x = 177,000,687,429,569.09
  5. Step 5: Solve for x
    x = 177,000,687,429,569.09/15,048,106.49
  6. Step 6: Final answer
    x = 11,762,322.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.