Home / 19,401,812.40-29,102,718.60-13,355,194.80

Finding the Fourth Proportional to 19,401,812.40, 29,102,718.60 and 13,355,194.80

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Solution

The fourth proportional to 19,401,812.40, 29,102,718.60 and 13,355,194.80 is: 20,032,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,812.40 : 29,102,718.60 = 13,355,194.80 : x
  2. Step 2: Convert to fraction form
    19,401,812.40/29,102,718.60 = 13,355,194.80/x
  3. Step 3: Cross multiply
    19,401,812.40x = 29,102,718.60 × 13,355,194.80
  4. Step 4: Simplify right side
    19,401,812.40x = 388,672,476,112,583.31
  5. Step 5: Solve for x
    x = 388,672,476,112,583.31/19,401,812.40
  6. Step 6: Final answer
    x = 20,032,792.20

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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.