Home / 18,264,762.50-25,205,063.36-10,115,825.54

Finding the Fourth Proportional to 18,264,762.50, 25,205,063.36 and 10,115,825.54

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Solution

The fourth proportional to 18,264,762.50, 25,205,063.36 and 10,115,825.54 is: 13,959,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,762.50 : 25,205,063.36 = 10,115,825.54 : x
  2. Step 2: Convert to fraction form
    18,264,762.50/25,205,063.36 = 10,115,825.54/x
  3. Step 3: Cross multiply
    18,264,762.50x = 25,205,063.36 × 10,115,825.54
  4. Step 4: Simplify right side
    18,264,762.50x = 254,970,023,674,406.19
  5. Step 5: Solve for x
    x = 254,970,023,674,406.19/18,264,762.50
  6. Step 6: Final answer
    x = 13,959,668.17

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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.