Home / 43,356,127.35-65,027,860.59-12,642,453.39

Finding the Fourth Proportional to 43,356,127.35, 65,027,860.59 and 12,642,453.39

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Solution

The fourth proportional to 43,356,127.35, 65,027,860.59 and 12,642,453.39 is: 18,961,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356,127.35 : 65,027,860.59 = 12,642,453.39 : x
  2. Step 2: Convert to fraction form
    43,356,127.35/65,027,860.59 = 12,642,453.39/x
  3. Step 3: Cross multiply
    43,356,127.35x = 65,027,860.59 × 12,642,453.39
  4. Step 4: Simplify right side
    43,356,127.35x = 822,111,696,560,493
  5. Step 5: Solve for x
    x = 822,111,696,560,493/43,356,127.35
  6. Step 6: Final answer
    x = 18,961,834.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.