Home / 11,333,794.40-15,641,001.60-6,438,927.44

Finding the Fourth Proportional to 11,333,794.40, 15,641,001.60 and 6,438,927.44

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Solution

The fourth proportional to 11,333,794.40, 15,641,001.60 and 6,438,927.44 is: 8,885,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333,794.40 : 15,641,001.60 = 6,438,927.44 : x
  2. Step 2: Convert to fraction form
    11,333,794.40/15,641,001.60 = 6,438,927.44/x
  3. Step 3: Cross multiply
    11,333,794.40x = 15,641,001.60 × 6,438,927.44
  4. Step 4: Simplify right side
    11,333,794.40x = 100,711,274,391,323.91
  5. Step 5: Solve for x
    x = 100,711,274,391,323.91/11,333,794.40
  6. Step 6: Final answer
    x = 8,885,927.42

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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.