Home / 10,156,163.72-14,015,763.84-5,572,483.88

Finding the Fourth Proportional to 10,156,163.72, 14,015,763.84 and 5,572,483.88

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Solution

The fourth proportional to 10,156,163.72, 14,015,763.84 and 5,572,483.88 is: 7,690,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,163.72 : 14,015,763.84 = 5,572,483.88 : x
  2. Step 2: Convert to fraction form
    10,156,163.72/14,015,763.84 = 5,572,483.88/x
  3. Step 3: Cross multiply
    10,156,163.72x = 14,015,763.84 × 5,572,483.88
  4. Step 4: Simplify right side
    10,156,163.72x = 78,102,618,064,286.89
  5. Step 5: Solve for x
    x = 78,102,618,064,286.89/10,156,163.72
  6. Step 6: Final answer
    x = 7,690,169.26

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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.