Home / 10,370,876.70-15,570,311.85-8,243,363.10

Finding the Fourth Proportional to 10,370,876.70, 15,570,311.85 and 8,243,363.10

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Solution

The fourth proportional to 10,370,876.70, 15,570,311.85 and 8,243,363.10 is: 12,376,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,876.70 : 15,570,311.85 = 8,243,363.10 : x
  2. Step 2: Convert to fraction form
    10,370,876.70/15,570,311.85 = 8,243,363.10/x
  3. Step 3: Cross multiply
    10,370,876.70x = 15,570,311.85 × 8,243,363.10
  4. Step 4: Simplify right side
    10,370,876.70x = 128,351,734,159,782.72
  5. Step 5: Solve for x
    x = 128,351,734,159,782.72/10,370,876.70
  6. Step 6: Final answer
    x = 12,376,170.10

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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.