Home / 28,608,287.70-42,912,431.55-8,413,529.70

Finding the Fourth Proportional to 28,608,287.70, 42,912,431.55 and 8,413,529.70

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Solution

The fourth proportional to 28,608,287.70, 42,912,431.55 and 8,413,529.70 is: 12,620,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,287.70 : 42,912,431.55 = 8,413,529.70 : x
  2. Step 2: Convert to fraction form
    28,608,287.70/42,912,431.55 = 8,413,529.70/x
  3. Step 3: Cross multiply
    28,608,287.70x = 42,912,431.55 × 8,413,529.70
  4. Step 4: Simplify right side
    28,608,287.70x = 361,045,017,345,142
  5. Step 5: Solve for x
    x = 361,045,017,345,142/28,608,287.70
  6. Step 6: Final answer
    x = 12,620,294.55

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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.