Home / 19,128,528.60-28,748,780.10-16,665,091.80

Finding the Fourth Proportional to 19,128,528.60, 28,748,780.10 and 16,665,091.80

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Solution

The fourth proportional to 19,128,528.60, 28,748,780.10 and 16,665,091.80 is: 25,046,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,528.60 : 28,748,780.10 = 16,665,091.80 : x
  2. Step 2: Convert to fraction form
    19,128,528.60/28,748,780.10 = 16,665,091.80/x
  3. Step 3: Cross multiply
    19,128,528.60x = 28,748,780.10 × 16,665,091.80
  4. Step 4: Simplify right side
    19,128,528.60x = 479,101,059,504,513.25
  5. Step 5: Solve for x
    x = 479,101,059,504,513.25/19,128,528.60
  6. Step 6: Final answer
    x = 25,046,414.68

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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.