Home / 13,127,286.87-18,116,657.46-7,248,054.50

Finding the Fourth Proportional to 13,127,286.87, 18,116,657.46 and 7,248,054.50

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Solution

The fourth proportional to 13,127,286.87, 18,116,657.46 and 7,248,054.50 is: 10,002,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,286.87 : 18,116,657.46 = 7,248,054.50 : x
  2. Step 2: Convert to fraction form
    13,127,286.87/18,116,657.46 = 7,248,054.50/x
  3. Step 3: Cross multiply
    13,127,286.87x = 18,116,657.46 × 7,248,054.50
  4. Step 4: Simplify right side
    13,127,286.87x = 131,310,520,537,328.30
  5. Step 5: Solve for x
    x = 131,310,520,537,328.30/13,127,286.87
  6. Step 6: Final answer
    x = 10,002,868.21

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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.