Home / 13,177,856.88-19,762,154.40-3,953,078.76

Finding the Fourth Proportional to 13,177,856.88, 19,762,154.40 and 3,953,078.76

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Solution

The fourth proportional to 13,177,856.88, 19,762,154.40 and 3,953,078.76 is: 5,928,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,856.88 : 19,762,154.40 = 3,953,078.76 : x
  2. Step 2: Convert to fraction form
    13,177,856.88/19,762,154.40 = 3,953,078.76/x
  3. Step 3: Cross multiply
    13,177,856.88x = 19,762,154.40 × 3,953,078.76
  4. Step 4: Simplify right side
    13,177,856.88x = 78,121,352,810,480.53
  5. Step 5: Solve for x
    x = 78,121,352,810,480.53/13,177,856.88
  6. Step 6: Final answer
    x = 5,928,228.96

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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.