Home / 5,432,529.40-7,496,451.78-3,140,837.70

Finding the Fourth Proportional to 5,432,529.40, 7,496,451.78 and 3,140,837.70

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Solution

The fourth proportional to 5,432,529.40, 7,496,451.78 and 3,140,837.70 is: 4,334,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,529.40 : 7,496,451.78 = 3,140,837.70 : x
  2. Step 2: Convert to fraction form
    5,432,529.40/7,496,451.78 = 3,140,837.70/x
  3. Step 3: Cross multiply
    5,432,529.40x = 7,496,451.78 × 3,140,837.70
  4. Step 4: Simplify right side
    5,432,529.40x = 23,545,138,366,856.11
  5. Step 5: Solve for x
    x = 23,545,138,366,856.11/5,432,529.40
  6. Step 6: Final answer
    x = 4,334,102.34

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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.