Home / 19,079,021.02-26,326,659.28-12,897,517.45

Finding the Fourth Proportional to 19,079,021.02, 26,326,659.28 and 12,897,517.45

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Solution

The fourth proportional to 19,079,021.02, 26,326,659.28 and 12,897,517.45 is: 17,796,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,021.02 : 26,326,659.28 = 12,897,517.45 : x
  2. Step 2: Convert to fraction form
    19,079,021.02/26,326,659.28 = 12,897,517.45/x
  3. Step 3: Cross multiply
    19,079,021.02x = 26,326,659.28 × 12,897,517.45
  4. Step 4: Simplify right side
    19,079,021.02x = 339,548,547,267,883.56
  5. Step 5: Solve for x
    x = 339,548,547,267,883.56/19,079,021.02
  6. Step 6: Final answer
    x = 17,796,958.61

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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.