Home / 20,698,769.80-31,048,154.70-7,234,193.80

Finding the Fourth Proportional to 20,698,769.80, 31,048,154.70 and 7,234,193.80

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Solution

The fourth proportional to 20,698,769.80, 31,048,154.70 and 7,234,193.80 is: 10,851,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,769.80 : 31,048,154.70 = 7,234,193.80 : x
  2. Step 2: Convert to fraction form
    20,698,769.80/31,048,154.70 = 7,234,193.80/x
  3. Step 3: Cross multiply
    20,698,769.80x = 31,048,154.70 × 7,234,193.80
  4. Step 4: Simplify right side
    20,698,769.80x = 224,608,368,232,180.84
  5. Step 5: Solve for x
    x = 224,608,368,232,180.84/20,698,769.80
  6. Step 6: Final answer
    x = 10,851,290.70

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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.