Home / 20,441,695.67-30,658,902.82-8,144,628.40

Finding the Fourth Proportional to 20,441,695.67, 30,658,902.82 and 8,144,628.40

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Solution

The fourth proportional to 20,441,695.67, 30,658,902.82 and 8,144,628.40 is: 12,215,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,695.67 : 30,658,902.82 = 8,144,628.40 : x
  2. Step 2: Convert to fraction form
    20,441,695.67/30,658,902.82 = 8,144,628.40/x
  3. Step 3: Cross multiply
    20,441,695.67x = 30,658,902.82 × 8,144,628.40
  4. Step 4: Simplify right side
    20,441,695.67x = 249,705,370,620,612.09
  5. Step 5: Solve for x
    x = 249,705,370,620,612.09/20,441,695.67
  6. Step 6: Final answer
    x = 12,215,492.03

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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.