Finding the Fourth Proportional to 19,584,280.40, 29,376,420.60 and 18,257,176.40
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Solution
The fourth proportional to 19,584,280.40, 29,376,420.60 and 18,257,176.40 is: 27,385,764.60
Step by Step Solution
- Step 1: Write the proportion equation
19,584,280.40 : 29,376,420.60 = 18,257,176.40 : x - Step 2: Convert to fraction form
19,584,280.40/29,376,420.60 = 18,257,176.40/x - Step 3: Cross multiply
19,584,280.40x = 29,376,420.60 × 18,257,176.40 - Step 4: Simplify right side
19,584,280.40x = 536,330,492,894,793.81 - Step 5: Solve for x
x = 536,330,492,894,793.81/19,584,280.40 - Step 6: Final answer
x = 27,385,764.60
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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.