Home / 10,608,972.96-15,913,570.68-8,492,511

Finding the Fourth Proportional to 10,608,972.96, 15,913,570.68 and 8,492,511

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Solution

The fourth proportional to 10,608,972.96, 15,913,570.68 and 8,492,511 is: 12,738,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608,972.96 : 15,913,570.68 = 8,492,511 : x
  2. Step 2: Convert to fraction form
    10,608,972.96/15,913,570.68 = 8,492,511/x
  3. Step 3: Cross multiply
    10,608,972.96x = 15,913,570.68 × 8,492,511
  4. Step 4: Simplify right side
    10,608,972.96x = 135,146,174,049,177.48
  5. Step 5: Solve for x
    x = 135,146,174,049,177.48/10,608,972.96
  6. Step 6: Final answer
    x = 12,738,855.55

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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.