Home / 12,459,602.20-18,679,035.30-5,276,651.80

Finding the Fourth Proportional to 12,459,602.20, 18,679,035.30 and 5,276,651.80

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Solution

The fourth proportional to 12,459,602.20, 18,679,035.30 and 5,276,651.80 is: 7,910,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,602.20 : 18,679,035.30 = 5,276,651.80 : x
  2. Step 2: Convert to fraction form
    12,459,602.20/18,679,035.30 = 5,276,651.80/x
  3. Step 3: Cross multiply
    12,459,602.20x = 18,679,035.30 × 5,276,651.80
  4. Step 4: Simplify right side
    12,459,602.20x = 98,562,765,238,008.55
  5. Step 5: Solve for x
    x = 98,562,765,238,008.55/12,459,602.20
  6. Step 6: Final answer
    x = 7,910,586.84

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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.