Home / 13,728,271.76-20,584,332.84-5,209,206.92

Finding the Fourth Proportional to 13,728,271.76, 20,584,332.84 and 5,209,206.92

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Solution

The fourth proportional to 13,728,271.76, 20,584,332.84 and 5,209,206.92 is: 7,810,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,271.76 : 20,584,332.84 = 5,209,206.92 : x
  2. Step 2: Convert to fraction form
    13,728,271.76/20,584,332.84 = 5,209,206.92/x
  3. Step 3: Cross multiply
    13,728,271.76x = 20,584,332.84 × 5,209,206.92
  4. Step 4: Simplify right side
    13,728,271.76x = 107,228,049,073,711.25
  5. Step 5: Solve for x
    x = 107,228,049,073,711.25/13,728,271.76
  6. Step 6: Final answer
    x = 7,810,746.39

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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.