Home / 12,535,217.76-18,805,533.60-3,899,153.76

Finding the Fourth Proportional to 12,535,217.76, 18,805,533.60 and 3,899,153.76

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Solution

The fourth proportional to 12,535,217.76, 18,805,533.60 and 3,899,153.76 is: 5,849,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,217.76 : 18,805,533.60 = 3,899,153.76 : x
  2. Step 2: Convert to fraction form
    12,535,217.76/18,805,533.60 = 3,899,153.76/x
  3. Step 3: Cross multiply
    12,535,217.76x = 18,805,533.60 × 3,899,153.76
  4. Step 4: Simplify right side
    12,535,217.76x = 73,325,667,045,246.34
  5. Step 5: Solve for x
    x = 73,325,667,045,246.34/12,535,217.76
  6. Step 6: Final answer
    x = 5,849,572.66

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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.