Home / 11,877,763.75-16,391,357.72-6,445,255.75

Finding the Fourth Proportional to 11,877,763.75, 16,391,357.72 and 6,445,255.75

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Solution

The fourth proportional to 11,877,763.75, 16,391,357.72 and 6,445,255.75 is: 8,894,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,763.75 : 16,391,357.72 = 6,445,255.75 : x
  2. Step 2: Convert to fraction form
    11,877,763.75/16,391,357.72 = 6,445,255.75/x
  3. Step 3: Cross multiply
    11,877,763.75x = 16,391,357.72 × 6,445,255.75
  4. Step 4: Simplify right side
    11,877,763.75x = 105,646,492,595,136.89
  5. Step 5: Solve for x
    x = 105,646,492,595,136.89/11,877,763.75
  6. Step 6: Final answer
    x = 8,894,476.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.