Home / 18,315,015.80-27,472,523.70-5,537,492.60

Finding the Fourth Proportional to 18,315,015.80, 27,472,523.70 and 5,537,492.60

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Solution

The fourth proportional to 18,315,015.80, 27,472,523.70 and 5,537,492.60 is: 8,306,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,015.80 : 27,472,523.70 = 5,537,492.60 : x
  2. Step 2: Convert to fraction form
    18,315,015.80/27,472,523.70 = 5,537,492.60/x
  3. Step 3: Cross multiply
    18,315,015.80x = 27,472,523.70 × 5,537,492.60
  4. Step 4: Simplify right side
    18,315,015.80x = 152,128,896,692,074.59
  5. Step 5: Solve for x
    x = 152,128,896,692,074.59/18,315,015.80
  6. Step 6: Final answer
    x = 8,306,238.90

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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.