Home / 8,306,135.40-12,456,870.30-2,628,100.20

Finding the Fourth Proportional to 8,306,135.40, 12,456,870.30 and 2,628,100.20

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Solution

The fourth proportional to 8,306,135.40, 12,456,870.30 and 2,628,100.20 is: 3,941,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,135.40 : 12,456,870.30 = 2,628,100.20 : x
  2. Step 2: Convert to fraction form
    8,306,135.40/12,456,870.30 = 2,628,100.20/x
  3. Step 3: Cross multiply
    8,306,135.40x = 12,456,870.30 × 2,628,100.20
  4. Step 4: Simplify right side
    8,306,135.40x = 32,737,903,326,804.06
  5. Step 5: Solve for x
    x = 32,737,903,326,804.06/8,306,135.40
  6. Step 6: Final answer
    x = 3,941,412.19

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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.