Home / 8,131,518.45-11,221,847.34-4,867,701.63

Finding the Fourth Proportional to 8,131,518.45, 11,221,847.34 and 4,867,701.63

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Solution

The fourth proportional to 8,131,518.45, 11,221,847.34 and 4,867,701.63 is: 6,717,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,518.45 : 11,221,847.34 = 4,867,701.63 : x
  2. Step 2: Convert to fraction form
    8,131,518.45/11,221,847.34 = 4,867,701.63/x
  3. Step 3: Cross multiply
    8,131,518.45x = 11,221,847.34 × 4,867,701.63
  4. Step 4: Simplify right side
    8,131,518.45x = 54,624,604,588,529.16
  5. Step 5: Solve for x
    x = 54,624,604,588,529.16/8,131,518.45
  6. Step 6: Final answer
    x = 6,717,638.89

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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.