Home / 12,737,815.80-19,108,065.06-7,346,345.64

Finding the Fourth Proportional to 12,737,815.80, 19,108,065.06 and 7,346,345.64

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Solution

The fourth proportional to 12,737,815.80, 19,108,065.06 and 7,346,345.64 is: 11,020,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,815.80 : 19,108,065.06 = 7,346,345.64 : x
  2. Step 2: Convert to fraction form
    12,737,815.80/19,108,065.06 = 7,346,345.64/x
  3. Step 3: Cross multiply
    12,737,815.80x = 19,108,065.06 × 7,346,345.64
  4. Step 4: Simplify right side
    12,737,815.80x = 140,374,450,442,367.33
  5. Step 5: Solve for x
    x = 140,374,450,442,367.33/12,737,815.80
  6. Step 6: Final answer
    x = 11,020,292.07

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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.