Home / 12,459,980.80-18,669,850.80-7,052,550.40

Finding the Fourth Proportional to 12,459,980.80, 18,669,850.80 and 7,052,550.40

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Solution

The fourth proportional to 12,459,980.80, 18,669,850.80 and 7,052,550.40 is: 10,567,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,980.80 : 18,669,850.80 = 7,052,550.40 : x
  2. Step 2: Convert to fraction form
    12,459,980.80/18,669,850.80 = 7,052,550.40/x
  3. Step 3: Cross multiply
    12,459,980.80x = 18,669,850.80 × 7,052,550.40
  4. Step 4: Simplify right side
    12,459,980.80x = 131,670,063,727,480.33
  5. Step 5: Solve for x
    x = 131,670,063,727,480.33/12,459,980.80
  6. Step 6: Final answer
    x = 10,567,437.13

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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.