Finding the Fourth Proportional to 16,688,029.62, 24,998,386.50 and 13,984,766.40
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Solution
The fourth proportional to 16,688,029.62, 24,998,386.50 and 13,984,766.40 is: 20,948,943.86
Step by Step Solution
- Step 1: Write the proportion equation
16,688,029.62 : 24,998,386.50 = 13,984,766.40 : x - Step 2: Convert to fraction form
16,688,029.62/24,998,386.50 = 13,984,766.40/x - Step 3: Cross multiply
16,688,029.62x = 24,998,386.50 × 13,984,766.40 - Step 4: Simplify right side
16,688,029.62x = 349,596,595,579,413.62 - Step 5: Solve for x
x = 349,596,595,579,413.62/16,688,029.62 - Step 6: Final answer
x = 20,948,943.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.