Home / 8,785,500.16-12,124,243.44-4,917,998.56

Finding the Fourth Proportional to 8,785,500.16, 12,124,243.44 and 4,917,998.56

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Solution

The fourth proportional to 8,785,500.16, 12,124,243.44 and 4,917,998.56 is: 6,786,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,500.16 : 12,124,243.44 = 4,917,998.56 : x
  2. Step 2: Convert to fraction form
    8,785,500.16/12,124,243.44 = 4,917,998.56/x
  3. Step 3: Cross multiply
    8,785,500.16x = 12,124,243.44 × 4,917,998.56
  4. Step 4: Simplify right side
    8,785,500.16x = 59,627,011,779,009.44
  5. Step 5: Solve for x
    x = 59,627,011,779,009.44/8,785,500.16
  6. Step 6: Final answer
    x = 6,786,979.76

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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.