Finding the Fourth Proportional to 16,015,708.12, 22,103,876.14 and 9,819,659.09
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Solution
The fourth proportional to 16,015,708.12, 22,103,876.14 and 9,819,659.09 is: 13,552,477.77
Step by Step Solution
- Step 1: Write the proportion equation
16,015,708.12 : 22,103,876.14 = 9,819,659.09 : x - Step 2: Convert to fraction form
16,015,708.12/22,103,876.14 = 9,819,659.09/x - Step 3: Cross multiply
16,015,708.12x = 22,103,876.14 × 9,819,659.09 - Step 4: Simplify right side
16,015,708.12x = 217,052,528,262,385.12 - Step 5: Solve for x
x = 217,052,528,262,385.12/16,015,708.12 - Step 6: Final answer
x = 13,552,477.77
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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.