Home / 13,603,695.68-18,773,948.40-7,492,122.56

Finding the Fourth Proportional to 13,603,695.68, 18,773,948.40 and 7,492,122.56

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Solution

The fourth proportional to 13,603,695.68, 18,773,948.40 and 7,492,122.56 is: 10,339,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,695.68 : 18,773,948.40 = 7,492,122.56 : x
  2. Step 2: Convert to fraction form
    13,603,695.68/18,773,948.40 = 7,492,122.56/x
  3. Step 3: Cross multiply
    13,603,695.68x = 18,773,948.40 × 7,492,122.56
  4. Step 4: Simplify right side
    13,603,695.68x = 140,656,722,347,915.89
  5. Step 5: Solve for x
    x = 140,656,722,347,915.89/13,603,695.68
  6. Step 6: Final answer
    x = 10,339,596.36

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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.