Home / 8,855,087.30-12,215,845.34-5,181,750.50

Finding the Fourth Proportional to 8,855,087.30, 12,215,845.34 and 5,181,750.50

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Solution

The fourth proportional to 8,855,087.30, 12,215,845.34 and 5,181,750.50 is: 7,148,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,087.30 : 12,215,845.34 = 5,181,750.50 : x
  2. Step 2: Convert to fraction form
    8,855,087.30/12,215,845.34 = 5,181,750.50/x
  3. Step 3: Cross multiply
    8,855,087.30x = 12,215,845.34 × 5,181,750.50
  4. Step 4: Simplify right side
    8,855,087.30x = 63,299,462,698,467.67
  5. Step 5: Solve for x
    x = 63,299,462,698,467.67/8,855,087.30
  6. Step 6: Final answer
    x = 7,148,372.52

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1.5x scale

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.