Home / 8,868,738.40-13,305,075.90-4,075,271.80

Finding the Fourth Proportional to 8,868,738.40, 13,305,075.90 and 4,075,271.80

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Solution

The fourth proportional to 8,868,738.40, 13,305,075.90 and 4,075,271.80 is: 6,113,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,738.40 : 13,305,075.90 = 4,075,271.80 : x
  2. Step 2: Convert to fraction form
    8,868,738.40/13,305,075.90 = 4,075,271.80/x
  3. Step 3: Cross multiply
    8,868,738.40x = 13,305,075.90 × 4,075,271.80
  4. Step 4: Simplify right side
    8,868,738.40x = 54,221,800,612,129.62
  5. Step 5: Solve for x
    x = 54,221,800,612,129.62/8,868,738.40
  6. Step 6: Final answer
    x = 6,113,812.15

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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.