Home / 12,477,730.60-18,685,103.10-8,194,709.80

Finding the Fourth Proportional to 12,477,730.60, 18,685,103.10 and 8,194,709.80

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Solution

The fourth proportional to 12,477,730.60, 18,685,103.10 and 8,194,709.80 is: 12,271,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,730.60 : 18,685,103.10 = 8,194,709.80 : x
  2. Step 2: Convert to fraction form
    12,477,730.60/18,685,103.10 = 8,194,709.80/x
  3. Step 3: Cross multiply
    12,477,730.60x = 18,685,103.10 × 8,194,709.80
  4. Step 4: Simplify right side
    12,477,730.60x = 153,118,997,487,580.38
  5. Step 5: Solve for x
    x = 153,118,997,487,580.38/12,477,730.60
  6. Step 6: Final answer
    x = 12,271,381.90

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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.