Home / 20,162,512.15-30,243,768.23-18,083,987.35

Finding the Fourth Proportional to 20,162,512.15, 30,243,768.23 and 18,083,987.35

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Solution

The fourth proportional to 20,162,512.15, 30,243,768.23 and 18,083,987.35 is: 27,125,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,512.15 : 30,243,768.23 = 18,083,987.35 : x
  2. Step 2: Convert to fraction form
    20,162,512.15/30,243,768.23 = 18,083,987.35/x
  3. Step 3: Cross multiply
    20,162,512.15x = 30,243,768.23 × 18,083,987.35
  4. Step 4: Simplify right side
    20,162,512.15x = 546,927,922,087,651.94
  5. Step 5: Solve for x
    x = 546,927,922,087,651.94/20,162,512.15
  6. Step 6: Final answer
    x = 27,125,981.03

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1.5x scale

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.