Home / 11,470,817.97-15,830,077.45-8,123,980.24

Finding the Fourth Proportional to 11,470,817.97, 15,830,077.45 and 8,123,980.24

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Solution

The fourth proportional to 11,470,817.97, 15,830,077.45 and 8,123,980.24 is: 11,211,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470,817.97 : 15,830,077.45 = 8,123,980.24 : x
  2. Step 2: Convert to fraction form
    11,470,817.97/15,830,077.45 = 8,123,980.24/x
  3. Step 3: Cross multiply
    11,470,817.97x = 15,830,077.45 × 8,123,980.24
  4. Step 4: Simplify right side
    11,470,817.97x = 128,603,236,341,584.44
  5. Step 5: Solve for x
    x = 128,603,236,341,584.44/11,470,817.97
  6. Step 6: Final answer
    x = 11,211,339.65

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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.