Home / 8,129,079.61-11,217,098.80-4,457,029.89

Finding the Fourth Proportional to 8,129,079.61, 11,217,098.80 and 4,457,029.89

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Solution

The fourth proportional to 8,129,079.61, 11,217,098.80 and 4,457,029.89 is: 6,150,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,079.61 : 11,217,098.80 = 4,457,029.89 : x
  2. Step 2: Convert to fraction form
    8,129,079.61/11,217,098.80 = 4,457,029.89/x
  3. Step 3: Cross multiply
    8,129,079.61x = 11,217,098.80 × 4,457,029.89
  4. Step 4: Simplify right side
    8,129,079.61x = 49,994,944,630,683.13
  5. Step 5: Solve for x
    x = 49,994,944,630,683.13/8,129,079.61
  6. Step 6: Final answer
    x = 6,150,135.94

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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.