Home / 12,067,678.95-18,102,393.23-7,265,026.95

Finding the Fourth Proportional to 12,067,678.95, 18,102,393.23 and 7,265,026.95

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Solution

The fourth proportional to 12,067,678.95, 18,102,393.23 and 7,265,026.95 is: 10,898,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,678.95 : 18,102,393.23 = 7,265,026.95 : x
  2. Step 2: Convert to fraction form
    12,067,678.95/18,102,393.23 = 7,265,026.95/x
  3. Step 3: Cross multiply
    12,067,678.95x = 18,102,393.23 × 7,265,026.95
  4. Step 4: Simplify right side
    12,067,678.95x = 131,514,374,639,122.42
  5. Step 5: Solve for x
    x = 131,514,374,639,122.42/12,067,678.95
  6. Step 6: Final answer
    x = 10,898,067.08

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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.