Home / 7,805,466.78-11,699,905.77-3,759,432.54

Finding the Fourth Proportional to 7,805,466.78, 11,699,905.77 and 3,759,432.54

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Solution

The fourth proportional to 7,805,466.78, 11,699,905.77 and 3,759,432.54 is: 5,635,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,466.78 : 11,699,905.77 = 3,759,432.54 : x
  2. Step 2: Convert to fraction form
    7,805,466.78/11,699,905.77 = 3,759,432.54/x
  3. Step 3: Cross multiply
    7,805,466.78x = 11,699,905.77 × 3,759,432.54
  4. Step 4: Simplify right side
    7,805,466.78x = 43,985,006,466,671.76
  5. Step 5: Solve for x
    x = 43,985,006,466,671.76/7,805,466.78
  6. Step 6: Final answer
    x = 5,635,153.89

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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.