Home / 20,553,223.23-28,362,118.41-11,260,780.38

Finding the Fourth Proportional to 20,553,223.23, 28,362,118.41 and 11,260,780.38

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Solution

The fourth proportional to 20,553,223.23, 28,362,118.41 and 11,260,780.38 is: 15,539,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,223.23 : 28,362,118.41 = 11,260,780.38 : x
  2. Step 2: Convert to fraction form
    20,553,223.23/28,362,118.41 = 11,260,780.38/x
  3. Step 3: Cross multiply
    20,553,223.23x = 28,362,118.41 × 11,260,780.38
  4. Step 4: Simplify right side
    20,553,223.23x = 319,379,586,526,564.81
  5. Step 5: Solve for x
    x = 319,379,586,526,564.81/20,553,223.23
  6. Step 6: Final answer
    x = 15,539,148.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.