Home / 8,220,355.20-11,343,910.95-4,499,168.22

Finding the Fourth Proportional to 8,220,355.20, 11,343,910.95 and 4,499,168.22

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Solution

The fourth proportional to 8,220,355.20, 11,343,910.95 and 4,499,168.22 is: 6,208,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,355.20 : 11,343,910.95 = 4,499,168.22 : x
  2. Step 2: Convert to fraction form
    8,220,355.20/11,343,910.95 = 4,499,168.22/x
  3. Step 3: Cross multiply
    8,220,355.20x = 11,343,910.95 × 4,499,168.22
  4. Step 4: Simplify right side
    8,220,355.20x = 51,038,163,636,750
  5. Step 5: Solve for x
    x = 51,038,163,636,750/8,220,355.20
  6. Step 6: Final answer
    x = 6,208,754.05

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Double scale
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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.