Home / 13,711,880.54-20,561,841.51-5,186,238.30

Finding the Fourth Proportional to 13,711,880.54, 20,561,841.51 and 5,186,238.30

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Solution

The fourth proportional to 13,711,880.54, 20,561,841.51 and 5,186,238.30 is: 7,777,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711,880.54 : 20,561,841.51 = 5,186,238.30 : x
  2. Step 2: Convert to fraction form
    13,711,880.54/20,561,841.51 = 5,186,238.30/x
  3. Step 3: Cross multiply
    13,711,880.54x = 20,561,841.51 × 5,186,238.30
  4. Step 4: Simplify right side
    13,711,880.54x = 106,638,609,967,416.03
  5. Step 5: Solve for x
    x = 106,638,609,967,416.03/13,711,880.54
  6. Step 6: Final answer
    x = 7,777,095.90

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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.