Home / 18,163,140.66-25,044,770.88-14,845,138.40

Finding the Fourth Proportional to 18,163,140.66, 25,044,770.88 and 14,845,138.40

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Solution

The fourth proportional to 18,163,140.66, 25,044,770.88 and 14,845,138.40 is: 20,469,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,140.66 : 25,044,770.88 = 14,845,138.40 : x
  2. Step 2: Convert to fraction form
    18,163,140.66/25,044,770.88 = 14,845,138.40/x
  3. Step 3: Cross multiply
    18,163,140.66x = 25,044,770.88 × 14,845,138.40
  4. Step 4: Simplify right side
    18,163,140.66x = 371,793,089,972,501.69
  5. Step 5: Solve for x
    x = 371,793,089,972,501.69/18,163,140.66
  6. Step 6: Final answer
    x = 20,469,647.67

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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.