Home / 8,122,853.86-11,203,081.28-6,903,196.76

Finding the Fourth Proportional to 8,122,853.86, 11,203,081.28 and 6,903,196.76

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Solution

The fourth proportional to 8,122,853.86, 11,203,081.28 and 6,903,196.76 is: 9,520,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,853.86 : 11,203,081.28 = 6,903,196.76 : x
  2. Step 2: Convert to fraction form
    8,122,853.86/11,203,081.28 = 6,903,196.76/x
  3. Step 3: Cross multiply
    8,122,853.86x = 11,203,081.28 × 6,903,196.76
  4. Step 4: Simplify right side
    8,122,853.86x = 77,337,074,413,491.36
  5. Step 5: Solve for x
    x = 77,337,074,413,491.36/8,122,853.86
  6. Step 6: Final answer
    x = 9,520,924.02

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Double scale
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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.