Home / 8,701,321.22-12,008,930.45-5,263,586.85

Finding the Fourth Proportional to 8,701,321.22, 12,008,930.45 and 5,263,586.85

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Solution

The fourth proportional to 8,701,321.22, 12,008,930.45 and 5,263,586.85 is: 7,264,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,321.22 : 12,008,930.45 = 5,263,586.85 : x
  2. Step 2: Convert to fraction form
    8,701,321.22/12,008,930.45 = 5,263,586.85/x
  3. Step 3: Cross multiply
    8,701,321.22x = 12,008,930.45 × 5,263,586.85
  4. Step 4: Simplify right side
    8,701,321.22x = 63,210,048,447,507.81
  5. Step 5: Solve for x
    x = 63,210,048,447,507.81/8,701,321.22
  6. Step 6: Final answer
    x = 7,264,419.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.