Home / 28,957,743.60-43,436,615.40-19,257,961.20

Finding the Fourth Proportional to 28,957,743.60, 43,436,615.40 and 19,257,961.20

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Solution

The fourth proportional to 28,957,743.60, 43,436,615.40 and 19,257,961.20 is: 28,886,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,743.60 : 43,436,615.40 = 19,257,961.20 : x
  2. Step 2: Convert to fraction form
    28,957,743.60/43,436,615.40 = 19,257,961.20/x
  3. Step 3: Cross multiply
    28,957,743.60x = 43,436,615.40 × 19,257,961.20
  4. Step 4: Simplify right side
    28,957,743.60x = 836,500,654,032,522.38
  5. Step 5: Solve for x
    x = 836,500,654,032,522.38/28,957,743.60
  6. Step 6: Final answer
    x = 28,886,941.80

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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.