Home / 21,845,039.90-30,157,487.91-15,958,063.71

Finding the Fourth Proportional to 21,845,039.90, 30,157,487.91 and 15,958,063.71

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Solution

The fourth proportional to 21,845,039.90, 30,157,487.91 and 15,958,063.71 is: 22,030,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,039.90 : 30,157,487.91 = 15,958,063.71 : x
  2. Step 2: Convert to fraction form
    21,845,039.90/30,157,487.91 = 15,958,063.71/x
  3. Step 3: Cross multiply
    21,845,039.90x = 30,157,487.91 × 15,958,063.71
  4. Step 4: Simplify right side
    21,845,039.90x = 481,255,113,401,334.75
  5. Step 5: Solve for x
    x = 481,255,113,401,334.75/21,845,039.90
  6. Step 6: Final answer
    x = 22,030,406.71

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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.