Home / 18,846,311.31-28,271,095.26-5,199,457.71

Finding the Fourth Proportional to 18,846,311.31, 28,271,095.26 and 5,199,457.71

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Solution

The fourth proportional to 18,846,311.31, 28,271,095.26 and 5,199,457.71 is: 7,799,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846,311.31 : 28,271,095.26 = 5,199,457.71 : x
  2. Step 2: Convert to fraction form
    18,846,311.31/28,271,095.26 = 5,199,457.71/x
  3. Step 3: Cross multiply
    18,846,311.31x = 28,271,095.26 × 5,199,457.71
  4. Step 4: Simplify right side
    18,846,311.31x = 146,994,364,094,236.88
  5. Step 5: Solve for x
    x = 146,994,364,094,236.88/18,846,311.31
  6. Step 6: Final answer
    x = 7,799,635.78

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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.