Home / 8,351,278.20-12,528,083.70-3,558,929.40

Finding the Fourth Proportional to 8,351,278.20, 12,528,083.70 and 3,558,929.40

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Solution

The fourth proportional to 8,351,278.20, 12,528,083.70 and 3,558,929.40 is: 5,338,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351,278.20 : 12,528,083.70 = 3,558,929.40 : x
  2. Step 2: Convert to fraction form
    8,351,278.20/12,528,083.70 = 3,558,929.40/x
  3. Step 3: Cross multiply
    8,351,278.20x = 12,528,083.70 × 3,558,929.40
  4. Step 4: Simplify right side
    8,351,278.20x = 44,586,565,405,590.77
  5. Step 5: Solve for x
    x = 44,586,565,405,590.77/8,351,278.20
  6. Step 6: Final answer
    x = 5,338,891.17

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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.