Home / 8,509,224-12,763,877.76-3,118,272

Finding the Fourth Proportional to 8,509,224, 12,763,877.76 and 3,118,272

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Solution

The fourth proportional to 8,509,224, 12,763,877.76 and 3,118,272 is: 4,677,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,224 : 12,763,877.76 = 3,118,272 : x
  2. Step 2: Convert to fraction form
    8,509,224/12,763,877.76 = 3,118,272/x
  3. Step 3: Cross multiply
    8,509,224x = 12,763,877.76 × 3,118,272
  4. Step 4: Simplify right side
    8,509,224x = 39,801,242,630,430.72
  5. Step 5: Solve for x
    x = 39,801,242,630,430.72/8,509,224
  6. Step 6: Final answer
    x = 4,677,423.30

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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.