Home / 10,137,042.45-13,977,911.08-6,460,137.77

Finding the Fourth Proportional to 10,137,042.45, 13,977,911.08 and 6,460,137.77

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Solution

The fourth proportional to 10,137,042.45, 13,977,911.08 and 6,460,137.77 is: 8,907,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,042.45 : 13,977,911.08 = 6,460,137.77 : x
  2. Step 2: Convert to fraction form
    10,137,042.45/13,977,911.08 = 6,460,137.77/x
  3. Step 3: Cross multiply
    10,137,042.45x = 13,977,911.08 × 6,460,137.77
  4. Step 4: Simplify right side
    10,137,042.45x = 90,299,231,227,569.59
  5. Step 5: Solve for x
    x = 90,299,231,227,569.59/10,137,042.45
  6. Step 6: Final answer
    x = 8,907,847.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.