Home / 13,899,707.82-20,831,403.56-7,751,444.13

Finding the Fourth Proportional to 13,899,707.82, 20,831,403.56 and 7,751,444.13

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Solution

The fourth proportional to 13,899,707.82, 20,831,403.56 and 7,751,444.13 is: 11,617,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,707.82 : 20,831,403.56 = 7,751,444.13 : x
  2. Step 2: Convert to fraction form
    13,899,707.82/20,831,403.56 = 7,751,444.13/x
  3. Step 3: Cross multiply
    13,899,707.82x = 20,831,403.56 × 7,751,444.13
  4. Step 4: Simplify right side
    13,899,707.82x = 161,473,460,806,065.88
  5. Step 5: Solve for x
    x = 161,473,460,806,065.88/13,899,707.82
  6. Step 6: Final answer
    x = 11,617,039.93

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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.