Home / 13,333,734.89-18,400,490.37-7,453,367.86

Finding the Fourth Proportional to 13,333,734.89, 18,400,490.37 and 7,453,367.86

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Solution

The fourth proportional to 13,333,734.89, 18,400,490.37 and 7,453,367.86 is: 10,285,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,734.89 : 18,400,490.37 = 7,453,367.86 : x
  2. Step 2: Convert to fraction form
    13,333,734.89/18,400,490.37 = 7,453,367.86/x
  3. Step 3: Cross multiply
    13,333,734.89x = 18,400,490.37 × 7,453,367.86
  4. Step 4: Simplify right side
    13,333,734.89x = 137,145,623,531,997.52
  5. Step 5: Solve for x
    x = 137,145,623,531,997.52/13,333,734.89
  6. Step 6: Final answer
    x = 10,285,612.00

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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.