Home / 20,678,686.35-31,019,195.93-6,302,223.15

Finding the Fourth Proportional to 20,678,686.35, 31,019,195.93 and 6,302,223.15

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Solution

The fourth proportional to 20,678,686.35, 31,019,195.93 and 6,302,223.15 is: 9,453,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,686.35 : 31,019,195.93 = 6,302,223.15 : x
  2. Step 2: Convert to fraction form
    20,678,686.35/31,019,195.93 = 6,302,223.15/x
  3. Step 3: Cross multiply
    20,678,686.35x = 31,019,195.93 × 6,302,223.15
  4. Step 4: Simplify right side
    20,678,686.35x = 195,489,894,652,920.69
  5. Step 5: Solve for x
    x = 195,489,894,652,920.69/20,678,686.35
  6. Step 6: Final answer
    x = 9,453,690.21

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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.