Home / 9,980,373.99-13,772,906.76-5,396,684.43

Finding the Fourth Proportional to 9,980,373.99, 13,772,906.76 and 5,396,684.43

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Solution

The fourth proportional to 9,980,373.99, 13,772,906.76 and 5,396,684.43 is: 7,447,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,373.99 : 13,772,906.76 = 5,396,684.43 : x
  2. Step 2: Convert to fraction form
    9,980,373.99/13,772,906.76 = 5,396,684.43/x
  3. Step 3: Cross multiply
    9,980,373.99x = 13,772,906.76 × 5,396,684.43
  4. Step 4: Simplify right side
    9,980,373.99x = 74,328,031,467,533.73
  5. Step 5: Solve for x
    x = 74,328,031,467,533.73/9,980,373.99
  6. Step 6: Final answer
    x = 7,447,419.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.