Home / 10,218,285.12-15,322,977.06-2,930,134.32

Finding the Fourth Proportional to 10,218,285.12, 15,322,977.06 and 2,930,134.32

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Solution

The fourth proportional to 10,218,285.12, 15,322,977.06 and 2,930,134.32 is: 4,393,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,285.12 : 15,322,977.06 = 2,930,134.32 : x
  2. Step 2: Convert to fraction form
    10,218,285.12/15,322,977.06 = 2,930,134.32/x
  3. Step 3: Cross multiply
    10,218,285.12x = 15,322,977.06 × 2,930,134.32
  4. Step 4: Simplify right side
    10,218,285.12x = 44,898,380,968,078.70
  5. Step 5: Solve for x
    x = 44,898,380,968,078.70/10,218,285.12
  6. Step 6: Final answer
    x = 4,393,925.25

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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.