Home / 23,680,021.80-35,520,032.70-12,342,613.80

Finding the Fourth Proportional to 23,680,021.80, 35,520,032.70 and 12,342,613.80

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Solution

The fourth proportional to 23,680,021.80, 35,520,032.70 and 12,342,613.80 is: 18,513,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680,021.80 : 35,520,032.70 = 12,342,613.80 : x
  2. Step 2: Convert to fraction form
    23,680,021.80/35,520,032.70 = 12,342,613.80/x
  3. Step 3: Cross multiply
    23,680,021.80x = 35,520,032.70 × 12,342,613.80
  4. Step 4: Simplify right side
    23,680,021.80x = 438,410,045,779,471.31
  5. Step 5: Solve for x
    x = 438,410,045,779,471.31/23,680,021.80
  6. Step 6: Final answer
    x = 18,513,920.70

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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.