Home / 8,378,054.80-12,570,034.65-8,082,809.80

Finding the Fourth Proportional to 8,378,054.80, 12,570,034.65 and 8,082,809.80

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Solution

The fourth proportional to 8,378,054.80, 12,570,034.65 and 8,082,809.80 is: 12,127,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,054.80 : 12,570,034.65 = 8,082,809.80 : x
  2. Step 2: Convert to fraction form
    8,378,054.80/12,570,034.65 = 8,082,809.80/x
  3. Step 3: Cross multiply
    8,378,054.80x = 12,570,034.65 × 8,082,809.80
  4. Step 4: Simplify right side
    8,378,054.80x = 101,601,199,255,359.58
  5. Step 5: Solve for x
    x = 101,601,199,255,359.58/8,378,054.80
  6. Step 6: Final answer
    x = 12,127,063.10

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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.