Home / 13,023,988.50-17,973,104.13-7,223,658.42

Finding the Fourth Proportional to 13,023,988.50, 17,973,104.13 and 7,223,658.42

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Solution

The fourth proportional to 13,023,988.50, 17,973,104.13 and 7,223,658.42 is: 9,968,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,988.50 : 17,973,104.13 = 7,223,658.42 : x
  2. Step 2: Convert to fraction form
    13,023,988.50/17,973,104.13 = 7,223,658.42/x
  3. Step 3: Cross multiply
    13,023,988.50x = 17,973,104.13 × 7,223,658.42
  4. Step 4: Simplify right side
    13,023,988.50x = 129,831,564,982,211.27
  5. Step 5: Solve for x
    x = 129,831,564,982,211.27/13,023,988.50
  6. Step 6: Final answer
    x = 9,968,648.62

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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.