Home / 20,197,456.64-30,289,641.60-6,730,668.80

Finding the Fourth Proportional to 20,197,456.64, 30,289,641.60 and 6,730,668.80

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Solution

The fourth proportional to 20,197,456.64, 30,289,641.60 and 6,730,668.80 is: 10,093,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,456.64 : 30,289,641.60 = 6,730,668.80 : x
  2. Step 2: Convert to fraction form
    20,197,456.64/30,289,641.60 = 6,730,668.80/x
  3. Step 3: Cross multiply
    20,197,456.64x = 30,289,641.60 × 6,730,668.80
  4. Step 4: Simplify right side
    20,197,456.64x = 203,869,545,680,302.09
  5. Step 5: Solve for x
    x = 203,869,545,680,302.09/20,197,456.64
  6. Step 6: Final answer
    x = 10,093,822.67

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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.