Home / 8,077,465.80-12,116,198.70-7,758,601.20

Finding the Fourth Proportional to 8,077,465.80, 12,116,198.70 and 7,758,601.20

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Solution

The fourth proportional to 8,077,465.80, 12,116,198.70 and 7,758,601.20 is: 11,637,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,465.80 : 12,116,198.70 = 7,758,601.20 : x
  2. Step 2: Convert to fraction form
    8,077,465.80/12,116,198.70 = 7,758,601.20/x
  3. Step 3: Cross multiply
    8,077,465.80x = 12,116,198.70 × 7,758,601.20
  4. Step 4: Simplify right side
    8,077,465.80x = 94,004,753,773,258.44
  5. Step 5: Solve for x
    x = 94,004,753,773,258.44/8,077,465.80
  6. Step 6: Final answer
    x = 11,637,901.80

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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.