Home / 30,908,451.69-42,651,529.68-17,156,333.25

Finding the Fourth Proportional to 30,908,451.69, 42,651,529.68 and 17,156,333.25

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Solution

The fourth proportional to 30,908,451.69, 42,651,529.68 and 17,156,333.25 is: 23,674,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,451.69 : 42,651,529.68 = 17,156,333.25 : x
  2. Step 2: Convert to fraction form
    30,908,451.69/42,651,529.68 = 17,156,333.25/x
  3. Step 3: Cross multiply
    30,908,451.69x = 42,651,529.68 × 17,156,333.25
  4. Step 4: Simplify right side
    30,908,451.69x = 731,743,856,812,345.88
  5. Step 5: Solve for x
    x = 731,743,856,812,345.88/30,908,451.69
  6. Step 6: Final answer
    x = 23,674,555.56

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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.