Home / 14,429,019-19,912,672.14-7,990,491

Finding the Fourth Proportional to 14,429,019, 19,912,672.14 and 7,990,491

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Solution

The fourth proportional to 14,429,019, 19,912,672.14 and 7,990,491 is: 11,027,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,019 : 19,912,672.14 = 7,990,491 : x
  2. Step 2: Convert to fraction form
    14,429,019/19,912,672.14 = 7,990,491/x
  3. Step 3: Cross multiply
    14,429,019x = 19,912,672.14 × 7,990,491
  4. Step 4: Simplify right side
    14,429,019x = 159,112,027,520,620.75
  5. Step 5: Solve for x
    x = 159,112,027,520,620.75/14,429,019
  6. Step 6: Final answer
    x = 11,027,224.20

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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.