Home / 12,749,546-19,128,064.44-3,774,331.28

Finding the Fourth Proportional to 12,749,546, 19,128,064.44 and 3,774,331.28

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Solution

The fourth proportional to 12,749,546, 19,128,064.44 and 3,774,331.28 is: 5,662,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,546 : 19,128,064.44 = 3,774,331.28 : x
  2. Step 2: Convert to fraction form
    12,749,546/19,128,064.44 = 3,774,331.28/x
  3. Step 3: Cross multiply
    12,749,546x = 19,128,064.44 × 3,774,331.28
  4. Step 4: Simplify right side
    12,749,546x = 72,195,651,941,747.69
  5. Step 5: Solve for x
    x = 72,195,651,941,747.69/12,749,546
  6. Step 6: Final answer
    x = 5,662,605.71

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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.