Home / 8,381,481.40-12,572,222.10-7,885,469.80

Finding the Fourth Proportional to 8,381,481.40, 12,572,222.10 and 7,885,469.80

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Solution

The fourth proportional to 8,381,481.40, 12,572,222.10 and 7,885,469.80 is: 11,828,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,481.40 : 12,572,222.10 = 7,885,469.80 : x
  2. Step 2: Convert to fraction form
    8,381,481.40/12,572,222.10 = 7,885,469.80/x
  3. Step 3: Cross multiply
    8,381,481.40x = 12,572,222.10 × 7,885,469.80
  4. Step 4: Simplify right side
    8,381,481.40x = 99,137,877,688,442.58
  5. Step 5: Solve for x
    x = 99,137,877,688,442.58/8,381,481.40
  6. Step 6: Final answer
    x = 11,828,204.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.