Home / 6,119,137.40-9,178,706.10-5,457,788.60

Finding the Fourth Proportional to 6,119,137.40, 9,178,706.10 and 5,457,788.60

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Solution

The fourth proportional to 6,119,137.40, 9,178,706.10 and 5,457,788.60 is: 8,186,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,137.40 : 9,178,706.10 = 5,457,788.60 : x
  2. Step 2: Convert to fraction form
    6,119,137.40/9,178,706.10 = 5,457,788.60/x
  3. Step 3: Cross multiply
    6,119,137.40x = 9,178,706.10 × 5,457,788.60
  4. Step 4: Simplify right side
    6,119,137.40x = 50,095,437,515,330.45
  5. Step 5: Solve for x
    x = 50,095,437,515,330.45/6,119,137.40
  6. Step 6: Final answer
    x = 8,186,682.90

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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.