Home / 8,685,616.40-13,038,922.20-8,622,630.80

Finding the Fourth Proportional to 8,685,616.40, 13,038,922.20 and 8,622,630.80

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Solution

The fourth proportional to 8,685,616.40, 13,038,922.20 and 8,622,630.80 is: 12,944,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,616.40 : 13,038,922.20 = 8,622,630.80 : x
  2. Step 2: Convert to fraction form
    8,685,616.40/13,038,922.20 = 8,622,630.80/x
  3. Step 3: Cross multiply
    8,685,616.40x = 13,038,922.20 × 8,622,630.80
  4. Step 4: Simplify right side
    8,685,616.40x = 112,429,812,160,523.77
  5. Step 5: Solve for x
    x = 112,429,812,160,523.77/8,685,616.40
  6. Step 6: Final answer
    x = 12,944,367.67

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1.5x scale

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.