Home / 8,482,431.40-12,723,647.10-6,802,815.40

Finding the Fourth Proportional to 8,482,431.40, 12,723,647.10 and 6,802,815.40

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Solution

The fourth proportional to 8,482,431.40, 12,723,647.10 and 6,802,815.40 is: 10,204,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482,431.40 : 12,723,647.10 = 6,802,815.40 : x
  2. Step 2: Convert to fraction form
    8,482,431.40/12,723,647.10 = 6,802,815.40/x
  3. Step 3: Cross multiply
    8,482,431.40x = 12,723,647.10 × 6,802,815.40
  4. Step 4: Simplify right side
    8,482,431.40x = 86,556,622,436,045.34
  5. Step 5: Solve for x
    x = 86,556,622,436,045.34/8,482,431.40
  6. Step 6: Final answer
    x = 10,204,223.10

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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.