Home / 9,906,990.77-13,671,746.29-5,555,983.65

Finding the Fourth Proportional to 9,906,990.77, 13,671,746.29 and 5,555,983.65

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Solution

The fourth proportional to 9,906,990.77, 13,671,746.29 and 5,555,983.65 is: 7,667,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,990.77 : 13,671,746.29 = 5,555,983.65 : x
  2. Step 2: Convert to fraction form
    9,906,990.77/13,671,746.29 = 5,555,983.65/x
  3. Step 3: Cross multiply
    9,906,990.77x = 13,671,746.29 × 5,555,983.65
  4. Step 4: Simplify right side
    9,906,990.77x = 75,959,998,826,408.25
  5. Step 5: Solve for x
    x = 75,959,998,826,408.25/9,906,990.77
  6. Step 6: Final answer
    x = 7,667,312.97

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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.