Home / 18,648,504-27,974,340.36-5,185,332

Finding the Fourth Proportional to 18,648,504, 27,974,340.36 and 5,185,332

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Solution

The fourth proportional to 18,648,504, 27,974,340.36 and 5,185,332 is: 7,778,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648,504 : 27,974,340.36 = 5,185,332 : x
  2. Step 2: Convert to fraction form
    18,648,504/27,974,340.36 = 5,185,332/x
  3. Step 3: Cross multiply
    18,648,504x = 27,974,340.36 × 5,185,332
  4. Step 4: Simplify right side
    18,648,504x = 145,056,242,247,599.53
  5. Step 5: Solve for x
    x = 145,056,242,247,599.53/18,648,504
  6. Step 6: Final answer
    x = 7,778,438.54

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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.