Home / 8,583,557.80-12,875,336.70-5,390,926.60

Finding the Fourth Proportional to 8,583,557.80, 12,875,336.70 and 5,390,926.60

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Solution

The fourth proportional to 8,583,557.80, 12,875,336.70 and 5,390,926.60 is: 8,086,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,557.80 : 12,875,336.70 = 5,390,926.60 : x
  2. Step 2: Convert to fraction form
    8,583,557.80/12,875,336.70 = 5,390,926.60/x
  3. Step 3: Cross multiply
    8,583,557.80x = 12,875,336.70 × 5,390,926.60
  4. Step 4: Simplify right side
    8,583,557.80x = 69,409,995,099,986.21
  5. Step 5: Solve for x
    x = 69,409,995,099,986.21/8,583,557.80
  6. Step 6: Final answer
    x = 8,086,389.90

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Similar ratio
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1.5x scale

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.