Home / 9,628,933.56-13,288,088.86-5,218,800.05

Finding the Fourth Proportional to 9,628,933.56, 13,288,088.86 and 5,218,800.05

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Solution

The fourth proportional to 9,628,933.56, 13,288,088.86 and 5,218,800.05 is: 7,202,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,933.56 : 13,288,088.86 = 5,218,800.05 : x
  2. Step 2: Convert to fraction form
    9,628,933.56/13,288,088.86 = 5,218,800.05/x
  3. Step 3: Cross multiply
    9,628,933.56x = 13,288,088.86 × 5,218,800.05
  4. Step 4: Simplify right side
    9,628,933.56x = 69,347,878,740,531.99
  5. Step 5: Solve for x
    x = 69,347,878,740,531.99/9,628,933.56
  6. Step 6: Final answer
    x = 7,202,031.08

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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.