Home / 10,137,774.80-15,206,662.20-5,343,611.60

Finding the Fourth Proportional to 10,137,774.80, 15,206,662.20 and 5,343,611.60

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Solution

The fourth proportional to 10,137,774.80, 15,206,662.20 and 5,343,611.60 is: 8,015,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,774.80 : 15,206,662.20 = 5,343,611.60 : x
  2. Step 2: Convert to fraction form
    10,137,774.80/15,206,662.20 = 5,343,611.60/x
  3. Step 3: Cross multiply
    10,137,774.80x = 15,206,662.20 × 5,343,611.60
  4. Step 4: Simplify right side
    10,137,774.80x = 81,258,496,529,201.52
  5. Step 5: Solve for x
    x = 81,258,496,529,201.52/10,137,774.80
  6. Step 6: Final answer
    x = 8,015,417.40

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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.