Home / 8,840,968.92-12,200,272.92-5,358,368.28

Finding the Fourth Proportional to 8,840,968.92, 12,200,272.92 and 5,358,368.28

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Solution

The fourth proportional to 8,840,968.92, 12,200,272.92 and 5,358,368.28 is: 7,394,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840,968.92 : 12,200,272.92 = 5,358,368.28 : x
  2. Step 2: Convert to fraction form
    8,840,968.92/12,200,272.92 = 5,358,368.28/x
  3. Step 3: Cross multiply
    8,840,968.92x = 12,200,272.92 × 5,358,368.28
  4. Step 4: Simplify right side
    8,840,968.92x = 65,373,555,421,870.98
  5. Step 5: Solve for x
    x = 65,373,555,421,870.98/8,840,968.92
  6. Step 6: Final answer
    x = 7,394,388.11

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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.