Home / 10,366,254.30-15,542,383.05-5,509,364.70

Finding the Fourth Proportional to 10,366,254.30, 15,542,383.05 and 5,509,364.70

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Solution

The fourth proportional to 10,366,254.30, 15,542,383.05 and 5,509,364.70 is: 8,260,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,254.30 : 15,542,383.05 = 5,509,364.70 : x
  2. Step 2: Convert to fraction form
    10,366,254.30/15,542,383.05 = 5,509,364.70/x
  3. Step 3: Cross multiply
    10,366,254.30x = 15,542,383.05 × 5,509,364.70
  4. Step 4: Simplify right side
    10,366,254.30x = 85,628,656,529,548.34
  5. Step 5: Solve for x
    x = 85,628,656,529,548.34/10,366,254.30
  6. Step 6: Final answer
    x = 8,260,327.60

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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.