Home / 8,530,878.57-11,772,613.76-4,663,415.31

Finding the Fourth Proportional to 8,530,878.57, 11,772,613.76 and 4,663,415.31

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Solution

The fourth proportional to 8,530,878.57, 11,772,613.76 and 4,663,415.31 is: 6,435,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,878.57 : 11,772,613.76 = 4,663,415.31 : x
  2. Step 2: Convert to fraction form
    8,530,878.57/11,772,613.76 = 4,663,415.31/x
  3. Step 3: Cross multiply
    8,530,878.57x = 11,772,613.76 × 4,663,415.31
  4. Step 4: Simplify right side
    8,530,878.57x = 54,900,587,223,783.59
  5. Step 5: Solve for x
    x = 54,900,587,223,783.59/8,530,878.57
  6. Step 6: Final answer
    x = 6,435,513.85

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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.