Home / 8,119,271.86-12,177,436.02-3,261,382.72

Finding the Fourth Proportional to 8,119,271.86, 12,177,436.02 and 3,261,382.72

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Solution

The fourth proportional to 8,119,271.86, 12,177,436.02 and 3,261,382.72 is: 4,891,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,271.86 : 12,177,436.02 = 3,261,382.72 : x
  2. Step 2: Convert to fraction form
    8,119,271.86/12,177,436.02 = 3,261,382.72/x
  3. Step 3: Cross multiply
    8,119,271.86x = 12,177,436.02 × 3,261,382.72
  4. Step 4: Simplify right side
    8,119,271.86x = 39,715,279,409,533.58
  5. Step 5: Solve for x
    x = 39,715,279,409,533.58/8,119,271.86
  6. Step 6: Final answer
    x = 4,891,482.89

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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.