Home / 7,782,348.15-10,742,506.41-4,685,015.55

Finding the Fourth Proportional to 7,782,348.15, 10,742,506.41 and 4,685,015.55

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Solution

The fourth proportional to 7,782,348.15, 10,742,506.41 and 4,685,015.55 is: 6,467,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,348.15 : 10,742,506.41 = 4,685,015.55 : x
  2. Step 2: Convert to fraction form
    7,782,348.15/10,742,506.41 = 4,685,015.55/x
  3. Step 3: Cross multiply
    7,782,348.15x = 10,742,506.41 × 4,685,015.55
  4. Step 4: Simplify right side
    7,782,348.15x = 50,328,809,561,072.34
  5. Step 5: Solve for x
    x = 50,328,809,561,072.34/7,782,348.15
  6. Step 6: Final answer
    x = 6,467,046.78

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1.5x scale

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.