Home / 21,317,252.80-31,975,879.20-17,584,772.80

Finding the Fourth Proportional to 21,317,252.80, 31,975,879.20 and 17,584,772.80

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Solution

The fourth proportional to 21,317,252.80, 31,975,879.20 and 17,584,772.80 is: 26,377,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317,252.80 : 31,975,879.20 = 17,584,772.80 : x
  2. Step 2: Convert to fraction form
    21,317,252.80/31,975,879.20 = 17,584,772.80/x
  3. Step 3: Cross multiply
    21,317,252.80x = 31,975,879.20 × 17,584,772.80
  4. Step 4: Simplify right side
    21,317,252.80x = 562,288,570,812,245.75
  5. Step 5: Solve for x
    x = 562,288,570,812,245.75/21,317,252.80
  6. Step 6: Final answer
    x = 26,377,159.20

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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.