Home / 13,626,713.40-20,440,070.10-10,603,404.60

Finding the Fourth Proportional to 13,626,713.40, 20,440,070.10 and 10,603,404.60

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Solution

The fourth proportional to 13,626,713.40, 20,440,070.10 and 10,603,404.60 is: 15,905,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,713.40 : 20,440,070.10 = 10,603,404.60 : x
  2. Step 2: Convert to fraction form
    13,626,713.40/20,440,070.10 = 10,603,404.60/x
  3. Step 3: Cross multiply
    13,626,713.40x = 20,440,070.10 × 10,603,404.60
  4. Step 4: Simplify right side
    13,626,713.40x = 216,734,333,322,662.47
  5. Step 5: Solve for x
    x = 216,734,333,322,662.47/13,626,713.40
  6. Step 6: Final answer
    x = 15,905,106.90

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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.