Finding the Fourth Proportional to 14,914,701.16, 20,579,916.18 and 8,387,070.04
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Solution
The fourth proportional to 14,914,701.16, 20,579,916.18 and 8,387,070.04 is: 11,572,823.12
Step by Step Solution
- Step 1: Write the proportion equation
14,914,701.16 : 20,579,916.18 = 8,387,070.04 : x - Step 2: Convert to fraction form
14,914,701.16/20,579,916.18 = 8,387,070.04/x - Step 3: Cross multiply
14,914,701.16x = 20,579,916.18 × 8,387,070.04 - Step 4: Simplify right side
14,914,701.16x = 172,605,198,418,989.25 - Step 5: Solve for x
x = 172,605,198,418,989.25/14,914,701.16 - Step 6: Final answer
x = 11,572,823.12
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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.