Home / 8,311,693.70-12,457,042.95-4,042,669.70

Finding the Fourth Proportional to 8,311,693.70, 12,457,042.95 and 4,042,669.70

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Solution

The fourth proportional to 8,311,693.70, 12,457,042.95 and 4,042,669.70 is: 6,058,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,693.70 : 12,457,042.95 = 4,042,669.70 : x
  2. Step 2: Convert to fraction form
    8,311,693.70/12,457,042.95 = 4,042,669.70/x
  3. Step 3: Cross multiply
    8,311,693.70x = 12,457,042.95 × 4,042,669.70
  4. Step 4: Simplify right side
    8,311,693.70x = 50,359,710,085,563.62
  5. Step 5: Solve for x
    x = 50,359,710,085,563.62/8,311,693.70
  6. Step 6: Final answer
    x = 6,058,898.69

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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.