Home / 20,146,960.40-30,232,250.40-7,368,756.80

Finding the Fourth Proportional to 20,146,960.40, 30,232,250.40 and 7,368,756.80

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Solution

The fourth proportional to 20,146,960.40, 30,232,250.40 and 7,368,756.80 is: 11,057,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,960.40 : 30,232,250.40 = 7,368,756.80 : x
  2. Step 2: Convert to fraction form
    20,146,960.40/30,232,250.40 = 7,368,756.80/x
  3. Step 3: Cross multiply
    20,146,960.40x = 30,232,250.40 × 7,368,756.80
  4. Step 4: Simplify right side
    20,146,960.40x = 222,774,100,714,302.72
  5. Step 5: Solve for x
    x = 222,774,100,714,302.72/20,146,960.40
  6. Step 6: Final answer
    x = 11,057,454.64

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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.