Home / 8,768,228.40-13,152,342.60-6,642,464.40

Finding the Fourth Proportional to 8,768,228.40, 13,152,342.60 and 6,642,464.40

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Solution

The fourth proportional to 8,768,228.40, 13,152,342.60 and 6,642,464.40 is: 9,963,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,228.40 : 13,152,342.60 = 6,642,464.40 : x
  2. Step 2: Convert to fraction form
    8,768,228.40/13,152,342.60 = 6,642,464.40/x
  3. Step 3: Cross multiply
    8,768,228.40x = 13,152,342.60 × 6,642,464.40
  4. Step 4: Simplify right side
    8,768,228.40x = 87,363,967,497,103.44
  5. Step 5: Solve for x
    x = 87,363,967,497,103.44/8,768,228.40
  6. Step 6: Final answer
    x = 9,963,696.60

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Similar ratio
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1.5x scale

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.