Home / 8,477,076.80-12,711,237.60-2,492,667.20

Finding the Fourth Proportional to 8,477,076.80, 12,711,237.60 and 2,492,667.20

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Solution

The fourth proportional to 8,477,076.80, 12,711,237.60 and 2,492,667.20 is: 3,737,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,076.80 : 12,711,237.60 = 2,492,667.20 : x
  2. Step 2: Convert to fraction form
    8,477,076.80/12,711,237.60 = 2,492,667.20/x
  3. Step 3: Cross multiply
    8,477,076.80x = 12,711,237.60 × 2,492,667.20
  4. Step 4: Simplify right side
    8,477,076.80x = 31,684,885,036,926.72
  5. Step 5: Solve for x
    x = 31,684,885,036,926.72/8,477,076.80
  6. Step 6: Final answer
    x = 3,737,713.58

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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.