Home / 19,079,017.50-26,326,654.46-12,897,513.95

Finding the Fourth Proportional to 19,079,017.50, 26,326,654.46 and 12,897,513.95

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Solution

The fourth proportional to 19,079,017.50, 26,326,654.46 and 12,897,513.95 is: 17,796,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,017.50 : 26,326,654.46 = 12,897,513.95 : x
  2. Step 2: Convert to fraction form
    19,079,017.50/26,326,654.46 = 12,897,513.95/x
  3. Step 3: Cross multiply
    19,079,017.50x = 26,326,654.46 × 12,897,513.95
  4. Step 4: Simplify right side
    19,079,017.50x = 339,548,393,006,924.56
  5. Step 5: Solve for x
    x = 339,548,393,006,924.56/19,079,017.50
  6. Step 6: Final answer
    x = 17,796,953.80

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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.