Home / 21,831,805,396.10-30,127,891,213.34-11,807,300,243.22

Finding the Fourth Proportional to 21,831,805,396.10, 30,127,891,213.34 and 11,807,300,243.22

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Solution

The fourth proportional to 21,831,805,396.10, 30,127,891,213.34 and 11,807,300,243.22 is: 16,294,074,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,805,396.10 : 30,127,891,213.34 = 11,807,300,243.22 : x
  2. Step 2: Convert to fraction form
    21,831,805,396.10/30,127,891,213.34 = 11,807,300,243.22/x
  3. Step 3: Cross multiply
    21,831,805,396.10x = 30,127,891,213.34 × 11,807,300,243.22
  4. Step 4: Simplify right side
    21,831,805,396.10x = 355,729,057,250,975,088,640
  5. Step 5: Solve for x
    x = 355,729,057,250,975,088,640/21,831,805,396.10
  6. Step 6: Final answer
    x = 16,294,074,209.48

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1.5x scale

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.