Home / 20,668,930.93-31,007,877.03-6,291,623.02

Finding the Fourth Proportional to 20,668,930.93, 31,007,877.03 and 6,291,623.02

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Solution

The fourth proportional to 20,668,930.93, 31,007,877.03 and 6,291,623.02 is: 9,438,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668,930.93 : 31,007,877.03 = 6,291,623.02 : x
  2. Step 2: Convert to fraction form
    20,668,930.93/31,007,877.03 = 6,291,623.02/x
  3. Step 3: Cross multiply
    20,668,930.93x = 31,007,877.03 × 6,291,623.02
  4. Step 4: Simplify right side
    20,668,930.93x = 195,089,872,923,277.22
  5. Step 5: Solve for x
    x = 195,089,872,923,277.22/20,668,930.93
  6. Step 6: Final answer
    x = 9,438,798.44

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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.