Home / 19,079,019.50-26,326,657.22-12,897,515.95

Finding the Fourth Proportional to 19,079,019.50, 26,326,657.22 and 12,897,515.95

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Solution

The fourth proportional to 19,079,019.50, 26,326,657.22 and 12,897,515.95 is: 17,796,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,019.50 : 26,326,657.22 = 12,897,515.95 : x
  2. Step 2: Convert to fraction form
    19,079,019.50/26,326,657.22 = 12,897,515.95/x
  3. Step 3: Cross multiply
    19,079,019.50x = 26,326,657.22 × 12,897,515.95
  4. Step 4: Simplify right side
    19,079,019.50x = 339,548,481,405,132.62
  5. Step 5: Solve for x
    x = 339,548,481,405,132.62/19,079,019.50
  6. Step 6: Final answer
    x = 17,796,956.57

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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.