Home / 13,818,740.40-20,728,110.60-6,626,572.20

Finding the Fourth Proportional to 13,818,740.40, 20,728,110.60 and 6,626,572.20

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Solution

The fourth proportional to 13,818,740.40, 20,728,110.60 and 6,626,572.20 is: 9,939,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,740.40 : 20,728,110.60 = 6,626,572.20 : x
  2. Step 2: Convert to fraction form
    13,818,740.40/20,728,110.60 = 6,626,572.20/x
  3. Step 3: Cross multiply
    13,818,740.40x = 20,728,110.60 × 6,626,572.20
  4. Step 4: Simplify right side
    13,818,740.40x = 137,356,321,460,485.33
  5. Step 5: Solve for x
    x = 137,356,321,460,485.33/13,818,740.40
  6. Step 6: Final answer
    x = 9,939,858.30

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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.