Home / 14,812,471.58-20,440,245.75-8,284,968.86

Finding the Fourth Proportional to 14,812,471.58, 20,440,245.75 and 8,284,968.86

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Solution

The fourth proportional to 14,812,471.58, 20,440,245.75 and 8,284,968.86 is: 11,432,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812,471.58 : 20,440,245.75 = 8,284,968.86 : x
  2. Step 2: Convert to fraction form
    14,812,471.58/20,440,245.75 = 8,284,968.86/x
  3. Step 3: Cross multiply
    14,812,471.58x = 20,440,245.75 × 8,284,968.86
  4. Step 4: Simplify right side
    14,812,471.58x = 169,346,799,529,497.34
  5. Step 5: Solve for x
    x = 169,346,799,529,497.34/14,812,471.58
  6. Step 6: Final answer
    x = 11,432,717.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.