Home / 21,548,289.31-29,737,271.79-11,759,365.30

Finding the Fourth Proportional to 21,548,289.31, 29,737,271.79 and 11,759,365.30

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Solution

The fourth proportional to 21,548,289.31, 29,737,271.79 and 11,759,365.30 is: 16,228,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,289.31 : 29,737,271.79 = 11,759,365.30 : x
  2. Step 2: Convert to fraction form
    21,548,289.31/29,737,271.79 = 11,759,365.30/x
  3. Step 3: Cross multiply
    21,548,289.31x = 29,737,271.79 × 11,759,365.30
  4. Step 4: Simplify right side
    21,548,289.31x = 349,691,442,003,994.88
  5. Step 5: Solve for x
    x = 349,691,442,003,994.88/21,548,289.31
  6. Step 6: Final answer
    x = 16,228,269.31

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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.