Home / 8,971,415.37-13,456,472.40-3,505,482.72

Finding the Fourth Proportional to 8,971,415.37, 13,456,472.40 and 3,505,482.72

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Solution

The fourth proportional to 8,971,415.37, 13,456,472.40 and 3,505,482.72 is: 5,257,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,415.37 : 13,456,472.40 = 3,505,482.72 : x
  2. Step 2: Convert to fraction form
    8,971,415.37/13,456,472.40 = 3,505,482.72/x
  3. Step 3: Cross multiply
    8,971,415.37x = 13,456,472.40 × 3,505,482.72
  4. Step 4: Simplify right side
    8,971,415.37x = 47,171,431,470,356.93
  5. Step 5: Solve for x
    x = 47,171,431,470,356.93/8,971,415.37
  6. Step 6: Final answer
    x = 5,257,969.84

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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.