Home / 13,520,538.84-20,267,161.38-8,475,392.28

Finding the Fourth Proportional to 13,520,538.84, 20,267,161.38 and 8,475,392.28

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Solution

The fourth proportional to 13,520,538.84, 20,267,161.38 and 8,475,392.28 is: 12,704,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,538.84 : 20,267,161.38 = 8,475,392.28 : x
  2. Step 2: Convert to fraction form
    13,520,538.84/20,267,161.38 = 8,475,392.28/x
  3. Step 3: Cross multiply
    13,520,538.84x = 20,267,161.38 × 8,475,392.28
  4. Step 4: Simplify right side
    13,520,538.84x = 171,772,143,097,566.12
  5. Step 5: Solve for x
    x = 171,772,143,097,566.12/13,520,538.84
  6. Step 6: Final answer
    x = 12,704,533.83

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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.