Home / 20,152,996.80-30,233,431.80-8,020,395.60

Finding the Fourth Proportional to 20,152,996.80, 30,233,431.80 and 8,020,395.60

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Solution

The fourth proportional to 20,152,996.80, 30,233,431.80 and 8,020,395.60 is: 12,032,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,996.80 : 30,233,431.80 = 8,020,395.60 : x
  2. Step 2: Convert to fraction form
    20,152,996.80/30,233,431.80 = 8,020,395.60/x
  3. Step 3: Cross multiply
    20,152,996.80x = 30,233,431.80 × 8,020,395.60
  4. Step 4: Simplify right side
    20,152,996.80x = 242,484,083,381,620.06
  5. Step 5: Solve for x
    x = 242,484,083,381,620.06/20,152,996.80
  6. Step 6: Final answer
    x = 12,032,160.07

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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.