Home / 28,977,101.70-43,493,646.15-17,639,693.70

Finding the Fourth Proportional to 28,977,101.70, 43,493,646.15 and 17,639,693.70

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Solution

The fourth proportional to 28,977,101.70, 43,493,646.15 and 17,639,693.70 is: 26,476,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,101.70 : 43,493,646.15 = 17,639,693.70 : x
  2. Step 2: Convert to fraction form
    28,977,101.70/43,493,646.15 = 17,639,693.70/x
  3. Step 3: Cross multiply
    28,977,101.70x = 43,493,646.15 × 17,639,693.70
  4. Step 4: Simplify right side
    28,977,101.70x = 767,214,595,982,184.25
  5. Step 5: Solve for x
    x = 767,214,595,982,184.25/28,977,101.70
  6. Step 6: Final answer
    x = 26,476,581.54

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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.