Home / 9,020,855.80-12,436,738.40-7,166,424.26

Finding the Fourth Proportional to 9,020,855.80, 12,436,738.40 and 7,166,424.26

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Solution

The fourth proportional to 9,020,855.80, 12,436,738.40 and 7,166,424.26 is: 9,880,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,855.80 : 12,436,738.40 = 7,166,424.26 : x
  2. Step 2: Convert to fraction form
    9,020,855.80/12,436,738.40 = 7,166,424.26/x
  3. Step 3: Cross multiply
    9,020,855.80x = 12,436,738.40 × 7,166,424.26
  4. Step 4: Simplify right side
    9,020,855.80x = 89,126,943,785,033.58
  5. Step 5: Solve for x
    x = 89,126,943,785,033.58/9,020,855.80
  6. Step 6: Final answer
    x = 9,880,098.49

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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.