Home / 13,520,583.84-20,267,228.88-8,475,437.28

Finding the Fourth Proportional to 13,520,583.84, 20,267,228.88 and 8,475,437.28

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Solution

The fourth proportional to 13,520,583.84, 20,267,228.88 and 8,475,437.28 is: 12,704,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,583.84 : 20,267,228.88 = 8,475,437.28 : x
  2. Step 2: Convert to fraction form
    13,520,583.84/20,267,228.88 = 8,475,437.28/x
  3. Step 3: Cross multiply
    13,520,583.84x = 20,267,228.88 × 8,475,437.28
  4. Step 4: Simplify right side
    13,520,583.84x = 171,773,627,211,844.62
  5. Step 5: Solve for x
    x = 171,773,627,211,844.62/13,520,583.84
  6. Step 6: Final answer
    x = 12,704,601.31

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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.