Home / 13,131,072.24-19,696,590-7,298,965.32

Finding the Fourth Proportional to 13,131,072.24, 19,696,590 and 7,298,965.32

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Solution

The fourth proportional to 13,131,072.24, 19,696,590 and 7,298,965.32 is: 10,948,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,072.24 : 19,696,590 = 7,298,965.32 : x
  2. Step 2: Convert to fraction form
    13,131,072.24/19,696,590 = 7,298,965.32/x
  3. Step 3: Cross multiply
    13,131,072.24x = 19,696,590 × 7,298,965.32
  4. Step 4: Simplify right side
    13,131,072.24x = 143,764,727,332,258.81
  5. Step 5: Solve for x
    x = 143,764,727,332,258.81/13,131,072.24
  6. Step 6: Final answer
    x = 10,948,437.77

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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.