Home / 8,305,492.40-12,455,905.80-2,627,457.20

Finding the Fourth Proportional to 8,305,492.40, 12,455,905.80 and 2,627,457.20

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Solution

The fourth proportional to 8,305,492.40, 12,455,905.80 and 2,627,457.20 is: 3,940,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,492.40 : 12,455,905.80 = 2,627,457.20 : x
  2. Step 2: Convert to fraction form
    8,305,492.40/12,455,905.80 = 2,627,457.20/x
  3. Step 3: Cross multiply
    8,305,492.40x = 12,455,905.80 × 2,627,457.20
  4. Step 4: Simplify right side
    8,305,492.40x = 32,727,359,376,731.77
  5. Step 5: Solve for x
    x = 32,727,359,376,731.77/8,305,492.40
  6. Step 6: Final answer
    x = 3,940,447.81

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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.