Home / 12,307,270.72-16,994,927.48-7,668,971.76

Finding the Fourth Proportional to 12,307,270.72, 16,994,927.48 and 7,668,971.76

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Solution

The fourth proportional to 12,307,270.72, 16,994,927.48 and 7,668,971.76 is: 10,589,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,270.72 : 16,994,927.48 = 7,668,971.76 : x
  2. Step 2: Convert to fraction form
    12,307,270.72/16,994,927.48 = 7,668,971.76/x
  3. Step 3: Cross multiply
    12,307,270.72x = 16,994,927.48 × 7,668,971.76
  4. Step 4: Simplify right side
    12,307,270.72x = 130,333,618,907,367.97
  5. Step 5: Solve for x
    x = 130,333,618,907,367.97/12,307,270.72
  6. Step 6: Final answer
    x = 10,589,969.29

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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.