Home / 13,214,754,622.13-18,236,801,876.58-7,422,078,841.79

Finding the Fourth Proportional to 13,214,754,622.13, 18,236,801,876.58 and 7,422,078,841.79

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Solution

The fourth proportional to 13,214,754,622.13, 18,236,801,876.58 and 7,422,078,841.79 is: 10,242,716,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,754,622.13 : 18,236,801,876.58 = 7,422,078,841.79 : x
  2. Step 2: Convert to fraction form
    13,214,754,622.13/18,236,801,876.58 = 7,422,078,841.79/x
  3. Step 3: Cross multiply
    13,214,754,622.13x = 18,236,801,876.58 × 7,422,078,841.79
  4. Step 4: Simplify right side
    13,214,754,622.13x = 135,354,981,349,989,416,960
  5. Step 5: Solve for x
    x = 135,354,981,349,989,416,960/13,214,754,622.13
  6. Step 6: Final answer
    x = 10,242,716,207.79

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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.