Home / 21,831,805,395.10-30,127,891,211.96-11,807,300,242.22

Finding the Fourth Proportional to 21,831,805,395.10, 30,127,891,211.96 and 11,807,300,242.22

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Solution

The fourth proportional to 21,831,805,395.10, 30,127,891,211.96 and 11,807,300,242.22 is: 16,294,074,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,805,395.10 : 30,127,891,211.96 = 11,807,300,242.22 : x
  2. Step 2: Convert to fraction form
    21,831,805,395.10/30,127,891,211.96 = 11,807,300,242.22/x
  3. Step 3: Cross multiply
    21,831,805,395.10x = 30,127,891,211.96 × 11,807,300,242.22
  4. Step 4: Simplify right side
    21,831,805,395.10x = 355,729,057,204,553,056,256
  5. Step 5: Solve for x
    x = 355,729,057,204,553,056,256/21,831,805,395.10
  6. Step 6: Final answer
    x = 16,294,074,208.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.