Home / 13,303,468.20-19,960,451.10-5,215,067.40

Finding the Fourth Proportional to 13,303,468.20, 19,960,451.10 and 5,215,067.40

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Solution

The fourth proportional to 13,303,468.20, 19,960,451.10 and 5,215,067.40 is: 7,824,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,468.20 : 19,960,451.10 = 5,215,067.40 : x
  2. Step 2: Convert to fraction form
    13,303,468.20/19,960,451.10 = 5,215,067.40/x
  3. Step 3: Cross multiply
    13,303,468.20x = 19,960,451.10 × 5,215,067.40
  4. Step 4: Simplify right side
    13,303,468.20x = 104,095,097,820,904.16
  5. Step 5: Solve for x
    x = 104,095,097,820,904.16/13,303,468.20
  6. Step 6: Final answer
    x = 7,824,658.67

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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.