Home / 30,407,379.51-41,962,861.32-17,354,376.63

Finding the Fourth Proportional to 30,407,379.51, 41,962,861.32 and 17,354,376.63

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Solution

The fourth proportional to 30,407,379.51, 41,962,861.32 and 17,354,376.63 is: 23,949,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407,379.51 : 41,962,861.32 = 17,354,376.63 : x
  2. Step 2: Convert to fraction form
    30,407,379.51/41,962,861.32 = 17,354,376.63/x
  3. Step 3: Cross multiply
    30,407,379.51x = 41,962,861.32 × 17,354,376.63
  4. Step 4: Simplify right side
    30,407,379.51x = 728,239,299,754,659.88
  5. Step 5: Solve for x
    x = 728,239,299,754,659.88/30,407,379.51
  6. Step 6: Final answer
    x = 23,949,426.47

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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.