Home / 8,307,209.40-12,459,518.10-2,628,828.60

Finding the Fourth Proportional to 8,307,209.40, 12,459,518.10 and 2,628,828.60

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Solution

The fourth proportional to 8,307,209.40, 12,459,518.10 and 2,628,828.60 is: 3,942,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,209.40 : 12,459,518.10 = 2,628,828.60 : x
  2. Step 2: Convert to fraction form
    8,307,209.40/12,459,518.10 = 2,628,828.60/x
  3. Step 3: Cross multiply
    8,307,209.40x = 12,459,518.10 × 2,628,828.60
  4. Step 4: Simplify right side
    8,307,209.40x = 32,753,937,523,497.66
  5. Step 5: Solve for x
    x = 32,753,937,523,497.66/8,307,209.40
  6. Step 6: Final answer
    x = 3,942,832.78

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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.