Home / 14,946,742.38-20,626,567.48-8,420,450.08

Finding the Fourth Proportional to 14,946,742.38, 20,626,567.48 and 8,420,450.08

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Solution

The fourth proportional to 14,946,742.38, 20,626,567.48 and 8,420,450.08 is: 11,620,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,742.38 : 20,626,567.48 = 8,420,450.08 : x
  2. Step 2: Convert to fraction form
    14,946,742.38/20,626,567.48 = 8,420,450.08/x
  3. Step 3: Cross multiply
    14,946,742.38x = 20,626,567.48 × 8,420,450.08
  4. Step 4: Simplify right side
    14,946,742.38x = 173,684,981,787,091.41
  5. Step 5: Solve for x
    x = 173,684,981,787,091.41/14,946,742.38
  6. Step 6: Final answer
    x = 11,620,256.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.