Finding the Fourth Proportional to 16,015,707.12, 22,103,874.76 and 9,819,658.09
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Solution
The fourth proportional to 16,015,707.12, 22,103,874.76 and 9,819,658.09 is: 13,552,476.38
Step by Step Solution
- Step 1: Write the proportion equation
16,015,707.12 : 22,103,874.76 = 9,819,658.09 : x - Step 2: Convert to fraction form
16,015,707.12/22,103,874.76 = 9,819,658.09/x - Step 3: Cross multiply
16,015,707.12x = 22,103,874.76 × 9,819,658.09 - Step 4: Simplify right side
16,015,707.12x = 217,052,492,472,312.31 - Step 5: Solve for x
x = 217,052,492,472,312.31/16,015,707.12 - Step 6: Final answer
x = 13,552,476.38
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1.5x scale
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.