Home / 7,889,615.80-11,834,423.70-3,638,087.80

Finding the Fourth Proportional to 7,889,615.80, 11,834,423.70 and 3,638,087.80

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Solution

The fourth proportional to 7,889,615.80, 11,834,423.70 and 3,638,087.80 is: 5,457,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,615.80 : 11,834,423.70 = 3,638,087.80 : x
  2. Step 2: Convert to fraction form
    7,889,615.80/11,834,423.70 = 3,638,087.80/x
  3. Step 3: Cross multiply
    7,889,615.80x = 11,834,423.70 × 3,638,087.80
  4. Step 4: Simplify right side
    7,889,615.80x = 43,054,672,483,000.85
  5. Step 5: Solve for x
    x = 43,054,672,483,000.85/7,889,615.80
  6. Step 6: Final answer
    x = 5,457,131.70

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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.