Home / 10,378,986.15-14,322,915.31-5,669,385.51

Finding the Fourth Proportional to 10,378,986.15, 14,322,915.31 and 5,669,385.51

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Solution

The fourth proportional to 10,378,986.15, 14,322,915.31 and 5,669,385.51 is: 7,823,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,986.15 : 14,322,915.31 = 5,669,385.51 : x
  2. Step 2: Convert to fraction form
    10,378,986.15/14,322,915.31 = 5,669,385.51/x
  3. Step 3: Cross multiply
    10,378,986.15x = 14,322,915.31 × 5,669,385.51
  4. Step 4: Simplify right side
    10,378,986.15x = 81,202,128,519,471.16
  5. Step 5: Solve for x
    x = 81,202,128,519,471.16/10,378,986.15
  6. Step 6: Final answer
    x = 7,823,705.26

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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.