Home / 19,308,005.80-28,962,008.70-10,206,586.60

Finding the Fourth Proportional to 19,308,005.80, 28,962,008.70 and 10,206,586.60

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Solution

The fourth proportional to 19,308,005.80, 28,962,008.70 and 10,206,586.60 is: 15,309,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308,005.80 : 28,962,008.70 = 10,206,586.60 : x
  2. Step 2: Convert to fraction form
    19,308,005.80/28,962,008.70 = 10,206,586.60/x
  3. Step 3: Cross multiply
    19,308,005.80x = 28,962,008.70 × 10,206,586.60
  4. Step 4: Simplify right side
    19,308,005.80x = 295,603,249,906,503.38
  5. Step 5: Solve for x
    x = 295,603,249,906,503.38/19,308,005.80
  6. Step 6: Final answer
    x = 15,309,879.90

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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.