Home / 11,826,056.70-17,739,085.05-3,190,140.45

Finding the Fourth Proportional to 11,826,056.70, 17,739,085.05 and 3,190,140.45

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Solution

The fourth proportional to 11,826,056.70, 17,739,085.05 and 3,190,140.45 is: 4,785,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826,056.70 : 17,739,085.05 = 3,190,140.45 : x
  2. Step 2: Convert to fraction form
    11,826,056.70/17,739,085.05 = 3,190,140.45/x
  3. Step 3: Cross multiply
    11,826,056.70x = 17,739,085.05 × 3,190,140.45
  4. Step 4: Simplify right side
    11,826,056.70x = 56,590,172,763,995.28
  5. Step 5: Solve for x
    x = 56,590,172,763,995.28/11,826,056.70
  6. Step 6: Final answer
    x = 4,785,210.68

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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.