Home / 20,424,936.32-30,638,182.08-7,644,095.36

Finding the Fourth Proportional to 20,424,936.32, 30,638,182.08 and 7,644,095.36

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Solution

The fourth proportional to 20,424,936.32, 30,638,182.08 and 7,644,095.36 is: 11,466,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,936.32 : 30,638,182.08 = 7,644,095.36 : x
  2. Step 2: Convert to fraction form
    20,424,936.32/30,638,182.08 = 7,644,095.36/x
  3. Step 3: Cross multiply
    20,424,936.32x = 30,638,182.08 × 7,644,095.36
  4. Step 4: Simplify right side
    20,424,936.32x = 234,201,185,476,563.16
  5. Step 5: Solve for x
    x = 234,201,185,476,563.16/20,424,936.32
  6. Step 6: Final answer
    x = 11,466,434.06

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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.