Home / 20,153,001.80-30,233,439.30-8,020,400.60

Finding the Fourth Proportional to 20,153,001.80, 30,233,439.30 and 8,020,400.60

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Solution

The fourth proportional to 20,153,001.80, 30,233,439.30 and 8,020,400.60 is: 12,032,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,001.80 : 30,233,439.30 = 8,020,400.60 : x
  2. Step 2: Convert to fraction form
    20,153,001.80/30,233,439.30 = 8,020,400.60/x
  3. Step 3: Cross multiply
    20,153,001.80x = 30,233,439.30 × 8,020,400.60
  4. Step 4: Simplify right side
    20,153,001.80x = 242,484,294,701,783.56
  5. Step 5: Solve for x
    x = 242,484,294,701,783.56/20,153,001.80
  6. Step 6: Final answer
    x = 12,032,167.57

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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.