Home / 5,384,772.60-8,077,158.90-4,912,380.60

Finding the Fourth Proportional to 5,384,772.60, 8,077,158.90 and 4,912,380.60

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Solution

The fourth proportional to 5,384,772.60, 8,077,158.90 and 4,912,380.60 is: 7,368,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,772.60 : 8,077,158.90 = 4,912,380.60 : x
  2. Step 2: Convert to fraction form
    5,384,772.60/8,077,158.90 = 4,912,380.60/x
  3. Step 3: Cross multiply
    5,384,772.60x = 8,077,158.90 × 4,912,380.60
  4. Step 4: Simplify right side
    5,384,772.60x = 39,678,078,683,477.34
  5. Step 5: Solve for x
    x = 39,678,078,683,477.34/5,384,772.60
  6. Step 6: Final answer
    x = 7,368,570.90

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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.