Home / 15,586,028.60-21,507,795.07-8,616,290.51

Finding the Fourth Proportional to 15,586,028.60, 21,507,795.07 and 8,616,290.51

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Solution

The fourth proportional to 15,586,028.60, 21,507,795.07 and 8,616,290.51 is: 11,889,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,028.60 : 21,507,795.07 = 8,616,290.51 : x
  2. Step 2: Convert to fraction form
    15,586,028.60/21,507,795.07 = 8,616,290.51/x
  3. Step 3: Cross multiply
    15,586,028.60x = 21,507,795.07 × 8,616,290.51
  4. Step 4: Simplify right side
    15,586,028.60x = 185,317,410,584,894.53
  5. Step 5: Solve for x
    x = 185,317,410,584,894.53/15,586,028.60
  6. Step 6: Final answer
    x = 11,889,969.88

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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.