Home / 12,459,993.80-18,669,870.30-7,052,563.40

Finding the Fourth Proportional to 12,459,993.80, 18,669,870.30 and 7,052,563.40

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Solution

The fourth proportional to 12,459,993.80, 18,669,870.30 and 7,052,563.40 is: 10,567,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,993.80 : 18,669,870.30 = 7,052,563.40 : x
  2. Step 2: Convert to fraction form
    12,459,993.80/18,669,870.30 = 7,052,563.40/x
  3. Step 3: Cross multiply
    12,459,993.80x = 18,669,870.30 × 7,052,563.40
  4. Step 4: Simplify right side
    12,459,993.80x = 131,670,443,960,527.03
  5. Step 5: Solve for x
    x = 131,670,443,960,527.03/12,459,993.80
  6. Step 6: Final answer
    x = 10,567,456.62

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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.