Finding the Fourth Proportional to 19,311,095.36, 28,966,638.72 and 4,934,190.08
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Solution
The fourth proportional to 19,311,095.36, 28,966,638.72 and 4,934,190.08 is: 7,401,284.02
Step by Step Solution
- Step 1: Write the proportion equation
19,311,095.36 : 28,966,638.72 = 4,934,190.08 : x - Step 2: Convert to fraction form
19,311,095.36/28,966,638.72 = 4,934,190.08/x - Step 3: Cross multiply
19,311,095.36x = 28,966,638.72 × 4,934,190.08 - Step 4: Simplify right side
19,311,095.36x = 142,926,901,423,167.91 - Step 5: Solve for x
x = 142,926,901,423,167.91/19,311,095.36 - Step 6: Final answer
x = 7,401,284.02
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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.