Home / 12,483,787.07-18,709,239.15-5,286,415.19

Finding the Fourth Proportional to 12,483,787.07, 18,709,239.15 and 5,286,415.19

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Solution

The fourth proportional to 12,483,787.07, 18,709,239.15 and 5,286,415.19 is: 7,922,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,787.07 : 18,709,239.15 = 5,286,415.19 : x
  2. Step 2: Convert to fraction form
    12,483,787.07/18,709,239.15 = 5,286,415.19/x
  3. Step 3: Cross multiply
    12,483,787.07x = 18,709,239.15 × 5,286,415.19
  4. Step 4: Simplify right side
    12,483,787.07x = 98,904,805,942,356.48
  5. Step 5: Solve for x
    x = 98,904,805,942,356.48/12,483,787.07
  6. Step 6: Final answer
    x = 7,922,660.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.