Home / 20,698,663.80-31,047,995.70-7,234,087.80

Finding the Fourth Proportional to 20,698,663.80, 31,047,995.70 and 7,234,087.80

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Solution

The fourth proportional to 20,698,663.80, 31,047,995.70 and 7,234,087.80 is: 10,851,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,663.80 : 31,047,995.70 = 7,234,087.80 : x
  2. Step 2: Convert to fraction form
    20,698,663.80/31,047,995.70 = 7,234,087.80/x
  3. Step 3: Cross multiply
    20,698,663.80x = 31,047,995.70 × 7,234,087.80
  4. Step 4: Simplify right side
    20,698,663.80x = 224,603,926,907,822.44
  5. Step 5: Solve for x
    x = 224,603,926,907,822.44/20,698,663.80
  6. Step 6: Final answer
    x = 10,851,131.70

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1.5x scale

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.