Home / 28,977,953.60-43,466,930.40-20,947,289.60

Finding the Fourth Proportional to 28,977,953.60, 43,466,930.40 and 20,947,289.60

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Solution

The fourth proportional to 28,977,953.60, 43,466,930.40 and 20,947,289.60 is: 31,420,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,953.60 : 43,466,930.40 = 20,947,289.60 : x
  2. Step 2: Convert to fraction form
    28,977,953.60/43,466,930.40 = 20,947,289.60/x
  3. Step 3: Cross multiply
    28,977,953.60x = 43,466,930.40 × 20,947,289.60
  4. Step 4: Simplify right side
    28,977,953.60x = 910,514,379,111,843.88
  5. Step 5: Solve for x
    x = 910,514,379,111,843.88/28,977,953.60
  6. Step 6: Final answer
    x = 31,420,934.40

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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.