Home / 9,238,896.77-12,749,760.11-5,109,205.74

Finding the Fourth Proportional to 9,238,896.77, 12,749,760.11 and 5,109,205.74

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Solution

The fourth proportional to 9,238,896.77, 12,749,760.11 and 5,109,205.74 is: 7,050,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238,896.77 : 12,749,760.11 = 5,109,205.74 : x
  2. Step 2: Convert to fraction form
    9,238,896.77/12,749,760.11 = 5,109,205.74/x
  3. Step 3: Cross multiply
    9,238,896.77x = 12,749,760.11 × 5,109,205.74
  4. Step 4: Simplify right side
    9,238,896.77x = 65,141,147,519,295.63
  5. Step 5: Solve for x
    x = 65,141,147,519,295.63/9,238,896.77
  6. Step 6: Final answer
    x = 7,050,749.58

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Double scale
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1.5x scale

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.