Home / 31,470,119.19-43,114,217.09-30,290,627.74

Finding the Fourth Proportional to 31,470,119.19, 43,114,217.09 and 30,290,627.74

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Solution

The fourth proportional to 31,470,119.19, 43,114,217.09 and 30,290,627.74 is: 41,498,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470,119.19 : 43,114,217.09 = 30,290,627.74 : x
  2. Step 2: Convert to fraction form
    31,470,119.19/43,114,217.09 = 30,290,627.74/x
  3. Step 3: Cross multiply
    31,470,119.19x = 43,114,217.09 × 30,290,627.74
  4. Step 4: Simplify right side
    31,470,119.19x = 1,305,956,700,213,486.75
  5. Step 5: Solve for x
    x = 1,305,956,700,213,486.75/31,470,119.19
  6. Step 6: Final answer
    x = 41,498,308.04

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.