Home / 20,153,878.96-30,230,840.34-5,007,810.52

Finding the Fourth Proportional to 20,153,878.96, 30,230,840.34 and 5,007,810.52

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Solution

The fourth proportional to 20,153,878.96, 30,230,840.34 and 5,007,810.52 is: 7,511,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,878.96 : 30,230,840.34 = 5,007,810.52 : x
  2. Step 2: Convert to fraction form
    20,153,878.96/30,230,840.34 = 5,007,810.52/x
  3. Step 3: Cross multiply
    20,153,878.96x = 30,230,840.34 × 5,007,810.52
  4. Step 4: Simplify right side
    20,153,878.96x = 151,390,320,283,092.38
  5. Step 5: Solve for x
    x = 151,390,320,283,092.38/20,153,878.96
  6. Step 6: Final answer
    x = 7,511,721.22

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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.