Home / 7,638,381.83-10,540,756.63-4,200,622.85

Finding the Fourth Proportional to 7,638,381.83, 10,540,756.63 and 4,200,622.85

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Solution

The fourth proportional to 7,638,381.83, 10,540,756.63 and 4,200,622.85 is: 5,796,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,381.83 : 10,540,756.63 = 4,200,622.85 : x
  2. Step 2: Convert to fraction form
    7,638,381.83/10,540,756.63 = 4,200,622.85/x
  3. Step 3: Cross multiply
    7,638,381.83x = 10,540,756.63 × 4,200,622.85
  4. Step 4: Simplify right side
    7,638,381.83x = 44,277,743,156,266.99
  5. Step 5: Solve for x
    x = 44,277,743,156,266.99/7,638,381.83
  6. Step 6: Final answer
    x = 5,796,743.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.