Home / 12,611,358.87-17,403,728.49-7,104,799.67

Finding the Fourth Proportional to 12,611,358.87, 17,403,728.49 and 7,104,799.67

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Solution

The fourth proportional to 12,611,358.87, 17,403,728.49 and 7,104,799.67 is: 9,804,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,358.87 : 17,403,728.49 = 7,104,799.67 : x
  2. Step 2: Convert to fraction form
    12,611,358.87/17,403,728.49 = 7,104,799.67/x
  3. Step 3: Cross multiply
    12,611,358.87x = 17,403,728.49 × 7,104,799.67
  4. Step 4: Simplify right side
    12,611,358.87x = 123,650,004,345,502.94
  5. Step 5: Solve for x
    x = 123,650,004,345,502.94/12,611,358.87
  6. Step 6: Final answer
    x = 9,804,653.54

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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.