Home / 13,763,908.10-20,645,862.15-4,788,460.10

Finding the Fourth Proportional to 13,763,908.10, 20,645,862.15 and 4,788,460.10

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Solution

The fourth proportional to 13,763,908.10, 20,645,862.15 and 4,788,460.10 is: 7,182,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,908.10 : 20,645,862.15 = 4,788,460.10 : x
  2. Step 2: Convert to fraction form
    13,763,908.10/20,645,862.15 = 4,788,460.10/x
  3. Step 3: Cross multiply
    13,763,908.10x = 20,645,862.15 × 4,788,460.10
  4. Step 4: Simplify right side
    13,763,908.10x = 98,861,887,135,375.20
  5. Step 5: Solve for x
    x = 98,861,887,135,375.20/13,763,908.10
  6. Step 6: Final answer
    x = 7,182,690.15

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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.