Home / 20,386,046.16-30,584,361.78-7,606,647

Finding the Fourth Proportional to 20,386,046.16, 30,584,361.78 and 7,606,647

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Solution

The fourth proportional to 20,386,046.16, 30,584,361.78 and 7,606,647 is: 11,411,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,046.16 : 30,584,361.78 = 7,606,647 : x
  2. Step 2: Convert to fraction form
    20,386,046.16/30,584,361.78 = 7,606,647/x
  3. Step 3: Cross multiply
    20,386,046.16x = 30,584,361.78 × 7,606,647
  4. Step 4: Simplify right side
    20,386,046.16x = 232,644,443,780,751.66
  5. Step 5: Solve for x
    x = 232,644,443,780,751.66/20,386,046.16
  6. Step 6: Final answer
    x = 11,411,945.31

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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.