Home / 20,140,061.20-30,210,091.80-7,369,730.80

Finding the Fourth Proportional to 20,140,061.20, 30,210,091.80 and 7,369,730.80

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Solution

The fourth proportional to 20,140,061.20, 30,210,091.80 and 7,369,730.80 is: 11,054,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,061.20 : 30,210,091.80 = 7,369,730.80 : x
  2. Step 2: Convert to fraction form
    20,140,061.20/30,210,091.80 = 7,369,730.80/x
  3. Step 3: Cross multiply
    20,140,061.20x = 30,210,091.80 × 7,369,730.80
  4. Step 4: Simplify right side
    20,140,061.20x = 222,640,244,009,287.44
  5. Step 5: Solve for x
    x = 222,640,244,009,287.44/20,140,061.20
  6. Step 6: Final answer
    x = 11,054,596.20

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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.