Home / 20,470,790.03-30,695,917.07-6,819,136.90

Finding the Fourth Proportional to 20,470,790.03, 30,695,917.07 and 6,819,136.90

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Solution

The fourth proportional to 20,470,790.03, 30,695,917.07 and 6,819,136.90 is: 10,225,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,790.03 : 30,695,917.07 = 6,819,136.90 : x
  2. Step 2: Convert to fraction form
    20,470,790.03/30,695,917.07 = 6,819,136.90/x
  3. Step 3: Cross multiply
    20,470,790.03x = 30,695,917.07 × 6,819,136.90
  4. Step 4: Simplify right side
    20,470,790.03x = 209,319,660,798,017.22
  5. Step 5: Solve for x
    x = 209,319,660,798,017.22/20,470,790.03
  6. Step 6: Final answer
    x = 10,225,284.93

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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.