Home / 18,525,787.87-25,565,737.37-10,265,988.12

Finding the Fourth Proportional to 18,525,787.87, 25,565,737.37 and 10,265,988.12

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Solution

The fourth proportional to 18,525,787.87, 25,565,737.37 and 10,265,988.12 is: 14,167,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,787.87 : 25,565,737.37 = 10,265,988.12 : x
  2. Step 2: Convert to fraction form
    18,525,787.87/25,565,737.37 = 10,265,988.12/x
  3. Step 3: Cross multiply
    18,525,787.87x = 25,565,737.37 × 10,265,988.12
  4. Step 4: Simplify right side
    18,525,787.87x = 262,457,556,119,460.03
  5. Step 5: Solve for x
    x = 262,457,556,119,460.03/18,525,787.87
  6. Step 6: Final answer
    x = 14,167,146.79

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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.