Home / 10,621,045.52-15,916,500.12-8,182,975.76

Finding the Fourth Proportional to 10,621,045.52, 15,916,500.12 and 8,182,975.76

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Solution

The fourth proportional to 10,621,045.52, 15,916,500.12 and 8,182,975.76 is: 12,262,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,045.52 : 15,916,500.12 = 8,182,975.76 : x
  2. Step 2: Convert to fraction form
    10,621,045.52/15,916,500.12 = 8,182,975.76/x
  3. Step 3: Cross multiply
    10,621,045.52x = 15,916,500.12 × 8,182,975.76
  4. Step 4: Simplify right side
    10,621,045.52x = 130,244,334,665,997.08
  5. Step 5: Solve for x
    x = 130,244,334,665,997.08/10,621,045.52
  6. Step 6: Final answer
    x = 12,262,854.39

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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.