Home / 19,079,021.72-26,326,660.30-12,897,518.15

Finding the Fourth Proportional to 19,079,021.72, 26,326,660.30 and 12,897,518.15

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Solution

The fourth proportional to 19,079,021.72, 26,326,660.30 and 12,897,518.15 is: 17,796,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,021.72 : 26,326,660.30 = 12,897,518.15 : x
  2. Step 2: Convert to fraction form
    19,079,021.72/26,326,660.30 = 12,897,518.15/x
  3. Step 3: Cross multiply
    19,079,021.72x = 26,326,660.30 × 12,897,518.15
  4. Step 4: Simplify right side
    19,079,021.72x = 339,548,579,081,707.31
  5. Step 5: Solve for x
    x = 339,548,579,081,707.31/19,079,021.72
  6. Step 6: Final answer
    x = 17,796,959.61

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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.