Home / 13,036,396.17-19,586,475.87-12,311,271.21

Finding the Fourth Proportional to 13,036,396.17, 19,586,475.87 and 12,311,271.21

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Solution

The fourth proportional to 13,036,396.17, 19,586,475.87 and 12,311,271.21 is: 18,497,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,396.17 : 19,586,475.87 = 12,311,271.21 : x
  2. Step 2: Convert to fraction form
    13,036,396.17/19,586,475.87 = 12,311,271.21/x
  3. Step 3: Cross multiply
    13,036,396.17x = 19,586,475.87 × 12,311,271.21
  4. Step 4: Simplify right side
    13,036,396.17x = 241,134,416,364,074.19
  5. Step 5: Solve for x
    x = 241,134,416,364,074.19/13,036,396.17
  6. Step 6: Final answer
    x = 18,497,015.07

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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.