Home / 10,610,078.32-15,898,873.60-7,138,961.08

Finding the Fourth Proportional to 10,610,078.32, 15,898,873.60 and 7,138,961.08

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Solution

The fourth proportional to 10,610,078.32, 15,898,873.60 and 7,138,961.08 is: 10,697,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610,078.32 : 15,898,873.60 = 7,138,961.08 : x
  2. Step 2: Convert to fraction form
    10,610,078.32/15,898,873.60 = 7,138,961.08/x
  3. Step 3: Cross multiply
    10,610,078.32x = 15,898,873.60 × 7,138,961.08
  4. Step 4: Simplify right side
    10,610,078.32x = 113,501,439,846,239.48
  5. Step 5: Solve for x
    x = 113,501,439,846,239.48/10,610,078.32
  6. Step 6: Final answer
    x = 10,697,511.97

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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.