Home / 31,703,486-43,750,817.04-19,313,578.76

Finding the Fourth Proportional to 31,703,486, 43,750,817.04 and 19,313,578.76

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Solution

The fourth proportional to 31,703,486, 43,750,817.04 and 19,313,578.76 is: 26,652,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,486 : 43,750,817.04 = 19,313,578.76 : x
  2. Step 2: Convert to fraction form
    31,703,486/43,750,817.04 = 19,313,578.76/x
  3. Step 3: Cross multiply
    31,703,486x = 43,750,817.04 × 19,313,578.76
  4. Step 4: Simplify right side
    31,703,486x = 844,984,850,716,390.12
  5. Step 5: Solve for x
    x = 844,984,850,716,390.12/31,703,486
  6. Step 6: Final answer
    x = 26,652,742.56

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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.