Home / 18,954,024.35-28,431,036.53-12,571,483.55

Finding the Fourth Proportional to 18,954,024.35, 28,431,036.53 and 12,571,483.55

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Solution

The fourth proportional to 18,954,024.35, 28,431,036.53 and 12,571,483.55 is: 18,857,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,024.35 : 28,431,036.53 = 12,571,483.55 : x
  2. Step 2: Convert to fraction form
    18,954,024.35/28,431,036.53 = 12,571,483.55/x
  3. Step 3: Cross multiply
    18,954,024.35x = 28,431,036.53 × 12,571,483.55
  4. Step 4: Simplify right side
    18,954,024.35x = 357,420,307,983,486.69
  5. Step 5: Solve for x
    x = 357,420,307,983,486.69/18,954,024.35
  6. Step 6: Final answer
    x = 18,857,225.33

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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.