Finding the Fourth Proportional to 16,680,117.57, 23,006,693.41 and 15,307,893.53
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Solution
The fourth proportional to 16,680,117.57, 23,006,693.41 and 15,307,893.53 is: 21,114,000.65
Step by Step Solution
- Step 1: Write the proportion equation
16,680,117.57 : 23,006,693.41 = 15,307,893.53 : x - Step 2: Convert to fraction form
16,680,117.57/23,006,693.41 = 15,307,893.53/x - Step 3: Cross multiply
16,680,117.57x = 23,006,693.41 × 15,307,893.53 - Step 4: Simplify right side
16,680,117.57x = 352,184,013,197,632.62 - Step 5: Solve for x
x = 352,184,013,197,632.62/16,680,117.57 - Step 6: Final answer
x = 21,114,000.65
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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.