Home / 12,824,463.42-17,697,416.76-7,317,738.36

Finding the Fourth Proportional to 12,824,463.42, 17,697,416.76 and 7,317,738.36

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Solution

The fourth proportional to 12,824,463.42, 17,697,416.76 and 7,317,738.36 is: 10,098,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,463.42 : 17,697,416.76 = 7,317,738.36 : x
  2. Step 2: Convert to fraction form
    12,824,463.42/17,697,416.76 = 7,317,738.36/x
  3. Step 3: Cross multiply
    12,824,463.42x = 17,697,416.76 × 7,317,738.36
  4. Step 4: Simplify right side
    12,824,463.42x = 129,505,065,497,558.94
  5. Step 5: Solve for x
    x = 129,505,065,497,558.94/12,824,463.42
  6. Step 6: Final answer
    x = 10,098,283.36

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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.