Home / 12,824,428.87-17,697,369.02-7,317,703.68

Finding the Fourth Proportional to 12,824,428.87, 17,697,369.02 and 7,317,703.68

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Solution

The fourth proportional to 12,824,428.87, 17,697,369.02 and 7,317,703.68 is: 10,098,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,428.87 : 17,697,369.02 = 7,317,703.68 : x
  2. Step 2: Convert to fraction form
    12,824,428.87/17,697,369.02 = 7,317,703.68/x
  3. Step 3: Cross multiply
    12,824,428.87x = 17,697,369.02 × 7,317,703.68
  4. Step 4: Simplify right side
    12,824,428.87x = 129,504,102,342,180.41
  5. Step 5: Solve for x
    x = 129,504,102,342,180.41/12,824,428.87
  6. Step 6: Final answer
    x = 10,098,235.46

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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.