Home / 11,012,921.34-16,519,707.64-5,256,261.48

Finding the Fourth Proportional to 11,012,921.34, 16,519,707.64 and 5,256,261.48

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Solution

The fourth proportional to 11,012,921.34, 16,519,707.64 and 5,256,261.48 is: 7,884,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012,921.34 : 16,519,707.64 = 5,256,261.48 : x
  2. Step 2: Convert to fraction form
    11,012,921.34/16,519,707.64 = 5,256,261.48/x
  3. Step 3: Cross multiply
    11,012,921.34x = 16,519,707.64 × 5,256,261.48
  4. Step 4: Simplify right side
    11,012,921.34x = 86,831,902,928,993.72
  5. Step 5: Solve for x
    x = 86,831,902,928,993.72/11,012,921.34
  6. Step 6: Final answer
    x = 7,884,547.64

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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.