Home / 8,319,123.30-12,460,022.55-6,826,131.30

Finding the Fourth Proportional to 8,319,123.30, 12,460,022.55 and 6,826,131.30

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Solution

The fourth proportional to 8,319,123.30, 12,460,022.55 and 6,826,131.30 is: 10,223,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,123.30 : 12,460,022.55 = 6,826,131.30 : x
  2. Step 2: Convert to fraction form
    8,319,123.30/12,460,022.55 = 6,826,131.30/x
  3. Step 3: Cross multiply
    8,319,123.30x = 12,460,022.55 × 6,826,131.30
  4. Step 4: Simplify right side
    8,319,123.30x = 85,053,749,927,260.81
  5. Step 5: Solve for x
    x = 85,053,749,927,260.81/8,319,123.30
  6. Step 6: Final answer
    x = 10,223,883.80

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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.