Home / 8,319,143.30-12,460,052.55-6,826,151.30

Finding the Fourth Proportional to 8,319,143.30, 12,460,052.55 and 6,826,151.30

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Solution

The fourth proportional to 8,319,143.30, 12,460,052.55 and 6,826,151.30 is: 10,223,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,143.30 : 12,460,052.55 = 6,826,151.30 : x
  2. Step 2: Convert to fraction form
    8,319,143.30/12,460,052.55 = 6,826,151.30/x
  3. Step 3: Cross multiply
    8,319,143.30x = 12,460,052.55 × 6,826,151.30
  4. Step 4: Simplify right side
    8,319,143.30x = 85,054,203,912,250.81
  5. Step 5: Solve for x
    x = 85,054,203,912,250.81/8,319,143.30
  6. Step 6: Final answer
    x = 10,223,913.79

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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.