Home / 13,503,145.30-20,264,049.15-9,719,862.10

Finding the Fourth Proportional to 13,503,145.30, 20,264,049.15 and 9,719,862.10

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Solution

The fourth proportional to 13,503,145.30, 20,264,049.15 and 9,719,862.10 is: 14,586,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,145.30 : 20,264,049.15 = 9,719,862.10 : x
  2. Step 2: Convert to fraction form
    13,503,145.30/20,264,049.15 = 9,719,862.10/x
  3. Step 3: Cross multiply
    13,503,145.30x = 20,264,049.15 × 9,719,862.10
  4. Step 4: Simplify right side
    13,503,145.30x = 196,963,763,325,622.19
  5. Step 5: Solve for x
    x = 196,963,763,325,622.19/13,503,145.30
  6. Step 6: Final answer
    x = 14,586,509.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.