Home / 11,012,921.21-16,519,707.43-5,256,261.33

Finding the Fourth Proportional to 11,012,921.21, 16,519,707.43 and 5,256,261.33

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Solution

The fourth proportional to 11,012,921.21, 16,519,707.43 and 5,256,261.33 is: 7,884,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012,921.21 : 16,519,707.43 = 5,256,261.33 : x
  2. Step 2: Convert to fraction form
    11,012,921.21/16,519,707.43 = 5,256,261.33/x
  3. Step 3: Cross multiply
    11,012,921.21x = 16,519,707.43 × 5,256,261.33
  4. Step 4: Simplify right side
    11,012,921.21x = 86,831,899,347,222.69
  5. Step 5: Solve for x
    x = 86,831,899,347,222.69/11,012,921.21
  6. Step 6: Final answer
    x = 7,884,547.40

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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.