Home / 20,330,859.60-30,468,295.80-13,487,979.60

Finding the Fourth Proportional to 20,330,859.60, 30,468,295.80 and 13,487,979.60

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Solution

The fourth proportional to 20,330,859.60, 30,468,295.80 and 13,487,979.60 is: 20,213,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,859.60 : 30,468,295.80 = 13,487,979.60 : x
  2. Step 2: Convert to fraction form
    20,330,859.60/30,468,295.80 = 13,487,979.60/x
  3. Step 3: Cross multiply
    20,330,859.60x = 30,468,295.80 × 13,487,979.60
  4. Step 4: Simplify right side
    20,330,859.60x = 410,955,752,197,165.69
  5. Step 5: Solve for x
    x = 410,955,752,197,165.69/20,330,859.60
  6. Step 6: Final answer
    x = 20,213,397.77

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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.