Home / 10,754,492.10-16,131,738.15-8,319,048.90

Finding the Fourth Proportional to 10,754,492.10, 16,131,738.15 and 8,319,048.90

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Solution

The fourth proportional to 10,754,492.10, 16,131,738.15 and 8,319,048.90 is: 12,478,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,492.10 : 16,131,738.15 = 8,319,048.90 : x
  2. Step 2: Convert to fraction form
    10,754,492.10/16,131,738.15 = 8,319,048.90/x
  3. Step 3: Cross multiply
    10,754,492.10x = 16,131,738.15 × 8,319,048.90
  4. Step 4: Simplify right side
    10,754,492.10x = 134,200,718,511,845.55
  5. Step 5: Solve for x
    x = 134,200,718,511,845.55/10,754,492.10
  6. Step 6: Final answer
    x = 12,478,573.35

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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.