Home / 12,079,712.34-16,664,490.31-7,182,147.27

Finding the Fourth Proportional to 12,079,712.34, 16,664,490.31 and 7,182,147.27

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Solution

The fourth proportional to 12,079,712.34, 16,664,490.31 and 7,182,147.27 is: 9,908,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,712.34 : 16,664,490.31 = 7,182,147.27 : x
  2. Step 2: Convert to fraction form
    12,079,712.34/16,664,490.31 = 7,182,147.27/x
  3. Step 3: Cross multiply
    12,079,712.34x = 16,664,490.31 × 7,182,147.27
  4. Step 4: Simplify right side
    12,079,712.34x = 119,686,823,585,907.95
  5. Step 5: Solve for x
    x = 119,686,823,585,907.95/12,079,712.34
  6. Step 6: Final answer
    x = 9,908,085.57

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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.