Home / 14,946,741.38-20,626,566.09-8,420,449.07

Finding the Fourth Proportional to 14,946,741.38, 20,626,566.09 and 8,420,449.07

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Solution

The fourth proportional to 14,946,741.38, 20,626,566.09 and 8,420,449.07 is: 11,620,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,741.38 : 20,626,566.09 = 8,420,449.07 : x
  2. Step 2: Convert to fraction form
    14,946,741.38/20,626,566.09 = 8,420,449.07/x
  3. Step 3: Cross multiply
    14,946,741.38x = 20,626,566.09 × 8,420,449.07
  4. Step 4: Simplify right side
    14,946,741.38x = 173,684,949,249,834.03
  5. Step 5: Solve for x
    x = 173,684,949,249,834.03/14,946,741.38
  6. Step 6: Final answer
    x = 11,620,255.20

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Double scale
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1.5x scale

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.