Finding the Fourth Proportional to 22,790,277.66, 31,438,813.68 and 15,445,599
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Solution
The fourth proportional to 22,790,277.66, 31,438,813.68 and 15,445,599 is: 21,306,950.11
Step by Step Solution
- Step 1: Write the proportion equation
22,790,277.66 : 31,438,813.68 = 15,445,599 : x - Step 2: Convert to fraction form
22,790,277.66/31,438,813.68 = 15,445,599/x - Step 3: Cross multiply
22,790,277.66x = 31,438,813.68 × 15,445,599 - Step 4: Simplify right side
22,790,277.66x = 485,591,309,136,994.31 - Step 5: Solve for x
x = 485,591,309,136,994.31/22,790,277.66 - Step 6: Final answer
x = 21,306,950.11
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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.