Home / 8,321,429.80-12,463,482.30-6,828,437.80

Finding the Fourth Proportional to 8,321,429.80, 12,463,482.30 and 6,828,437.80

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Solution

The fourth proportional to 8,321,429.80, 12,463,482.30 and 6,828,437.80 is: 10,227,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,429.80 : 12,463,482.30 = 6,828,437.80 : x
  2. Step 2: Convert to fraction form
    8,321,429.80/12,463,482.30 = 6,828,437.80/x
  3. Step 3: Cross multiply
    8,321,429.80x = 12,463,482.30 × 6,828,437.80
  4. Step 4: Simplify right side
    8,321,429.80x = 85,106,113,656,950.94
  5. Step 5: Solve for x
    x = 85,106,113,656,950.94/8,321,429.80
  6. Step 6: Final answer
    x = 10,227,342.62

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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.