Home / 13,821,716.70-20,732,575.06-13,609,140.30

Finding the Fourth Proportional to 13,821,716.70, 20,732,575.06 and 13,609,140.30

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Solution

The fourth proportional to 13,821,716.70, 20,732,575.06 and 13,609,140.30 is: 20,413,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,716.70 : 20,732,575.06 = 13,609,140.30 : x
  2. Step 2: Convert to fraction form
    13,821,716.70/20,732,575.06 = 13,609,140.30/x
  3. Step 3: Cross multiply
    13,821,716.70x = 20,732,575.06 × 13,609,140.30
  4. Step 4: Simplify right side
    13,821,716.70x = 282,152,522,771,820.94
  5. Step 5: Solve for x
    x = 282,152,522,771,820.94/13,821,716.70
  6. Step 6: Final answer
    x = 20,413,710.46

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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.