Home / 13,953,880.80-20,930,821.20-5,991,256.80

Finding the Fourth Proportional to 13,953,880.80, 20,930,821.20 and 5,991,256.80

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Solution

The fourth proportional to 13,953,880.80, 20,930,821.20 and 5,991,256.80 is: 8,986,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953,880.80 : 20,930,821.20 = 5,991,256.80 : x
  2. Step 2: Convert to fraction form
    13,953,880.80/20,930,821.20 = 5,991,256.80/x
  3. Step 3: Cross multiply
    13,953,880.80x = 20,930,821.20 × 5,991,256.80
  4. Step 4: Simplify right side
    13,953,880.80x = 125,401,924,844,084.16
  5. Step 5: Solve for x
    x = 125,401,924,844,084.16/13,953,880.80
  6. Step 6: Final answer
    x = 8,986,885.20

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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.