Home / 8,810,381.47-12,158,143.22-4,889,907.60

Finding the Fourth Proportional to 8,810,381.47, 12,158,143.22 and 4,889,907.60

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Solution

The fourth proportional to 8,810,381.47, 12,158,143.22 and 4,889,907.60 is: 6,747,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810,381.47 : 12,158,143.22 = 4,889,907.60 : x
  2. Step 2: Convert to fraction form
    8,810,381.47/12,158,143.22 = 4,889,907.60/x
  3. Step 3: Cross multiply
    8,810,381.47x = 12,158,143.22 × 4,889,907.60
  4. Step 4: Simplify right side
    8,810,381.47x = 59,452,196,968,387.76
  5. Step 5: Solve for x
    x = 59,452,196,968,387.76/8,810,381.47
  6. Step 6: Final answer
    x = 6,747,970.81

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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.