Finding the Fourth Proportional to 14,041,622.80, 19,371,669.12 and 8,534,110.24
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Solution
The fourth proportional to 14,041,622.80, 19,371,669.12 and 8,534,110.24 is: 11,773,565.08
Step by Step Solution
- Step 1: Write the proportion equation
14,041,622.80 : 19,371,669.12 = 8,534,110.24 : x - Step 2: Convert to fraction form
14,041,622.80/19,371,669.12 = 8,534,110.24/x - Step 3: Cross multiply
14,041,622.80x = 19,371,669.12 × 8,534,110.24 - Step 4: Simplify right side
14,041,622.80x = 165,319,959,802,883.81 - Step 5: Solve for x
x = 165,319,959,802,883.81/14,041,622.80 - Step 6: Final answer
x = 11,773,565.08
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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.