Home / 8,436,000.40-12,654,000.60-3,887,040.40

Finding the Fourth Proportional to 8,436,000.40, 12,654,000.60 and 3,887,040.40

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Solution

The fourth proportional to 8,436,000.40, 12,654,000.60 and 3,887,040.40 is: 5,830,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,000.40 : 12,654,000.60 = 3,887,040.40 : x
  2. Step 2: Convert to fraction form
    8,436,000.40/12,654,000.60 = 3,887,040.40/x
  3. Step 3: Cross multiply
    8,436,000.40x = 12,654,000.60 × 3,887,040.40
  4. Step 4: Simplify right side
    8,436,000.40x = 49,186,611,553,824.23
  5. Step 5: Solve for x
    x = 49,186,611,553,824.23/8,436,000.40
  6. Step 6: Final answer
    x = 5,830,560.60

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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.