Home / 10,983,815.09-16,478,466.87-7,751,663.63

Finding the Fourth Proportional to 10,983,815.09, 16,478,466.87 and 7,751,663.63

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Solution

The fourth proportional to 10,983,815.09, 16,478,466.87 and 7,751,663.63 is: 11,629,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,815.09 : 16,478,466.87 = 7,751,663.63 : x
  2. Step 2: Convert to fraction form
    10,983,815.09/16,478,466.87 = 7,751,663.63/x
  3. Step 3: Cross multiply
    10,983,815.09x = 16,478,466.87 × 7,751,663.63
  4. Step 4: Simplify right side
    10,983,815.09x = 127,735,532,314,338.94
  5. Step 5: Solve for x
    x = 127,735,532,314,338.94/10,983,815.09
  6. Step 6: Final answer
    x = 11,629,432.15

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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.