Home / 21,845,039.40-30,157,487.22-15,958,063.22

Finding the Fourth Proportional to 21,845,039.40, 30,157,487.22 and 15,958,063.22

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Solution

The fourth proportional to 21,845,039.40, 30,157,487.22 and 15,958,063.22 is: 22,030,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,039.40 : 30,157,487.22 = 15,958,063.22 : x
  2. Step 2: Convert to fraction form
    21,845,039.40/30,157,487.22 = 15,958,063.22/x
  3. Step 3: Cross multiply
    21,845,039.40x = 30,157,487.22 × 15,958,063.22
  4. Step 4: Simplify right side
    21,845,039.40x = 481,255,087,613,102.06
  5. Step 5: Solve for x
    x = 481,255,087,613,102.06/21,845,039.40
  6. Step 6: Final answer
    x = 22,030,406.02

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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.