Home / 13,516,566.72-18,652,706.64-7,321,496.64

Finding the Fourth Proportional to 13,516,566.72, 18,652,706.64 and 7,321,496.64

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Solution

The fourth proportional to 13,516,566.72, 18,652,706.64 and 7,321,496.64 is: 10,103,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,566.72 : 18,652,706.64 = 7,321,496.64 : x
  2. Step 2: Convert to fraction form
    13,516,566.72/18,652,706.64 = 7,321,496.64/x
  3. Step 3: Cross multiply
    13,516,566.72x = 18,652,706.64 × 7,321,496.64
  4. Step 4: Simplify right side
    13,516,566.72x = 136,565,728,991,665.69
  5. Step 5: Solve for x
    x = 136,565,728,991,665.69/13,516,566.72
  6. Step 6: Final answer
    x = 10,103,581.17

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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.