Home / 10,106,455.55-15,159,683.33-8,512,132.55

Finding the Fourth Proportional to 10,106,455.55, 15,159,683.33 and 8,512,132.55

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Solution

The fourth proportional to 10,106,455.55, 15,159,683.33 and 8,512,132.55 is: 12,768,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,455.55 : 15,159,683.33 = 8,512,132.55 : x
  2. Step 2: Convert to fraction form
    10,106,455.55/15,159,683.33 = 8,512,132.55/x
  3. Step 3: Cross multiply
    10,106,455.55x = 15,159,683.33 × 8,512,132.55
  4. Step 4: Simplify right side
    10,106,455.55x = 129,041,233,878,424.73
  5. Step 5: Solve for x
    x = 129,041,233,878,424.73/10,106,455.55
  6. Step 6: Final answer
    x = 12,768,198.83

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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.