Finding the Fourth Proportional to 13,301,661.00, 18,356,284.06 and 7,190,089.50
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Solution
The fourth proportional to 13,301,661.00, 18,356,284.06 and 7,190,089.50 is: 9,922,319.12
Step by Step Solution
- Step 1: Write the proportion equation
13,301,661.00 : 18,356,284.06 = 7,190,089.50 : x - Step 2: Convert to fraction form
13,301,661.00/18,356,284.06 = 7,190,089.50/x - Step 3: Cross multiply
13,301,661.00x = 18,356,284.06 × 7,190,089.50 - Step 4: Simplify right side
13,301,661.00x = 131,983,325,329,684.22 - Step 5: Solve for x
x = 131,983,325,329,684.22/13,301,661.00 - Step 6: Final answer
x = 9,922,319.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.