Home / 13,023,985-17,973,099.30-7,223,654.92

Finding the Fourth Proportional to 13,023,985, 17,973,099.30 and 7,223,654.92

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Solution

The fourth proportional to 13,023,985, 17,973,099.30 and 7,223,654.92 is: 9,968,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,985 : 17,973,099.30 = 7,223,654.92 : x
  2. Step 2: Convert to fraction form
    13,023,985/17,973,099.30 = 7,223,654.92/x
  3. Step 3: Cross multiply
    13,023,985x = 17,973,099.30 × 7,223,654.92
  4. Step 4: Simplify right side
    13,023,985x = 129,831,467,186,093.56
  5. Step 5: Solve for x
    x = 129,831,467,186,093.56/13,023,985
  6. Step 6: Final answer
    x = 9,968,643.79

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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.