Home / 52,328,376.48-78,486,585.56-13,992,880.08

Finding the Fourth Proportional to 52,328,376.48, 78,486,585.56 and 13,992,880.08

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Solution

The fourth proportional to 52,328,376.48, 78,486,585.56 and 13,992,880.08 is: 20,987,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328,376.48 : 78,486,585.56 = 13,992,880.08 : x
  2. Step 2: Convert to fraction form
    52,328,376.48/78,486,585.56 = 13,992,880.08/x
  3. Step 3: Cross multiply
    52,328,376.48x = 78,486,585.56 × 13,992,880.08
  4. Step 4: Simplify right side
    52,328,376.48x = 1,098,253,379,629,739.62
  5. Step 5: Solve for x
    x = 1,098,253,379,629,739.62/52,328,376.48
  6. Step 6: Final answer
    x = 20,987,721.26

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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.