Home / 13,678,450.40-20,517,675.60-13,095,999.20

Finding the Fourth Proportional to 13,678,450.40, 20,517,675.60 and 13,095,999.20

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Solution

The fourth proportional to 13,678,450.40, 20,517,675.60 and 13,095,999.20 is: 19,643,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,450.40 : 20,517,675.60 = 13,095,999.20 : x
  2. Step 2: Convert to fraction form
    13,678,450.40/20,517,675.60 = 13,095,999.20/x
  3. Step 3: Cross multiply
    13,678,450.40x = 20,517,675.60 × 13,095,999.20
  4. Step 4: Simplify right side
    13,678,450.40x = 268,699,463,243,459.53
  5. Step 5: Solve for x
    x = 268,699,463,243,459.53/13,678,450.40
  6. Step 6: Final answer
    x = 19,643,998.80

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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.