Home / 18,264,766.77-25,205,069.23-10,115,829.81

Finding the Fourth Proportional to 18,264,766.77, 25,205,069.23 and 10,115,829.81

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Solution

The fourth proportional to 18,264,766.77, 25,205,069.23 and 10,115,829.81 is: 13,959,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,766.77 : 25,205,069.23 = 10,115,829.81 : x
  2. Step 2: Convert to fraction form
    18,264,766.77/25,205,069.23 = 10,115,829.81/x
  3. Step 3: Cross multiply
    18,264,766.77x = 25,205,069.23 × 10,115,829.81
  4. Step 4: Simplify right side
    18,264,766.77x = 254,970,190,629,368.62
  5. Step 5: Solve for x
    x = 254,970,190,629,368.62/18,264,766.77
  6. Step 6: Final answer
    x = 13,959,674.05

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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.