Home / 8,107,113.12-12,160,810.62-2,986,907.51

Finding the Fourth Proportional to 8,107,113.12, 12,160,810.62 and 2,986,907.51

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Solution

The fourth proportional to 8,107,113.12, 12,160,810.62 and 2,986,907.51 is: 4,480,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107,113.12 : 12,160,810.62 = 2,986,907.51 : x
  2. Step 2: Convert to fraction form
    8,107,113.12/12,160,810.62 = 2,986,907.51/x
  3. Step 3: Cross multiply
    8,107,113.12x = 12,160,810.62 × 2,986,907.51
  4. Step 4: Simplify right side
    8,107,113.12x = 36,323,216,507,761.70
  5. Step 5: Solve for x
    x = 36,323,216,507,761.70/8,107,113.12
  6. Step 6: Final answer
    x = 4,480,413.18

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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.