Home / 12,936,535.20-19,397,804.40-5,364,266.40

Finding the Fourth Proportional to 12,936,535.20, 19,397,804.40 and 5,364,266.40

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Solution

The fourth proportional to 12,936,535.20, 19,397,804.40 and 5,364,266.40 is: 8,043,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,535.20 : 19,397,804.40 = 5,364,266.40 : x
  2. Step 2: Convert to fraction form
    12,936,535.20/19,397,804.40 = 5,364,266.40/x
  3. Step 3: Cross multiply
    12,936,535.20x = 19,397,804.40 × 5,364,266.40
  4. Step 4: Simplify right side
    12,936,535.20x = 104,054,990,376,692.16
  5. Step 5: Solve for x
    x = 104,054,990,376,692.16/12,936,535.20
  6. Step 6: Final answer
    x = 8,043,497.64

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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.