Home / 10,647,289.80-15,977,495.70-4,256,875.80

Finding the Fourth Proportional to 10,647,289.80, 15,977,495.70 and 4,256,875.80

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Solution

The fourth proportional to 10,647,289.80, 15,977,495.70 and 4,256,875.80 is: 6,387,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,289.80 : 15,977,495.70 = 4,256,875.80 : x
  2. Step 2: Convert to fraction form
    10,647,289.80/15,977,495.70 = 4,256,875.80/x
  3. Step 3: Cross multiply
    10,647,289.80x = 15,977,495.70 × 4,256,875.80
  4. Step 4: Simplify right side
    10,647,289.80x = 68,014,214,789,934.05
  5. Step 5: Solve for x
    x = 68,014,214,789,934.05/10,647,289.80
  6. Step 6: Final answer
    x = 6,387,936.84

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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.