Finding the Fourth Proportional to 16,317,583.17, 22,518,689.49 and 8,975,605.47
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Solution
The fourth proportional to 16,317,583.17, 22,518,689.49 and 8,975,605.47 is: 12,386,569.17
Step by Step Solution
- Step 1: Write the proportion equation
16,317,583.17 : 22,518,689.49 = 8,975,605.47 : x - Step 2: Convert to fraction form
16,317,583.17/22,518,689.49 = 8,975,605.47/x - Step 3: Cross multiply
16,317,583.17x = 22,518,689.49 × 8,975,605.47 - Step 4: Simplify right side
16,317,583.17x = 202,118,872,563,675.50 - Step 5: Solve for x
x = 202,118,872,563,675.50/16,317,583.17 - Step 6: Final answer
x = 12,386,569.17
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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.