Home / 26,573,136.80-39,859,705.20-20,148,605.60

Finding the Fourth Proportional to 26,573,136.80, 39,859,705.20 and 20,148,605.60

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Solution

The fourth proportional to 26,573,136.80, 39,859,705.20 and 20,148,605.60 is: 30,222,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,573,136.80 : 39,859,705.20 = 20,148,605.60 : x
  2. Step 2: Convert to fraction form
    26,573,136.80/39,859,705.20 = 20,148,605.60/x
  3. Step 3: Cross multiply
    26,573,136.80x = 39,859,705.20 × 20,148,605.60
  4. Step 4: Simplify right side
    26,573,136.80x = 803,117,479,407,069.25
  5. Step 5: Solve for x
    x = 803,117,479,407,069.25/26,573,136.80
  6. Step 6: Final answer
    x = 30,222,908.40

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Similar ratio
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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.