Home / 8,670,358.60-13,012,910.70-3,885,411.40

Finding the Fourth Proportional to 8,670,358.60, 13,012,910.70 and 3,885,411.40

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Solution

The fourth proportional to 8,670,358.60, 13,012,910.70 and 3,885,411.40 is: 5,831,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,358.60 : 13,012,910.70 = 3,885,411.40 : x
  2. Step 2: Convert to fraction form
    8,670,358.60/13,012,910.70 = 3,885,411.40/x
  3. Step 3: Cross multiply
    8,670,358.60x = 13,012,910.70 × 3,885,411.40
  4. Step 4: Simplify right side
    8,670,358.60x = 50,560,511,580,961.98
  5. Step 5: Solve for x
    x = 50,560,511,580,961.98/8,670,358.60
  6. Step 6: Final answer
    x = 5,831,421.04

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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.