Home / 10,856,618.10-16,284,927.15-5,537,142.90

Finding the Fourth Proportional to 10,856,618.10, 16,284,927.15 and 5,537,142.90

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Solution

The fourth proportional to 10,856,618.10, 16,284,927.15 and 5,537,142.90 is: 8,305,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,618.10 : 16,284,927.15 = 5,537,142.90 : x
  2. Step 2: Convert to fraction form
    10,856,618.10/16,284,927.15 = 5,537,142.90/x
  3. Step 3: Cross multiply
    10,856,618.10x = 16,284,927.15 × 5,537,142.90
  4. Step 4: Simplify right side
    10,856,618.10x = 90,171,968,745,639.75
  5. Step 5: Solve for x
    x = 90,171,968,745,639.75/10,856,618.10
  6. Step 6: Final answer
    x = 8,305,714.35

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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.