Finding the Fourth Proportional to 7,132,068.10, 10,698,102.15 and 4,728,117.70
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Solution
The fourth proportional to 7,132,068.10, 10,698,102.15 and 4,728,117.70 is: 7,092,176.55
Step by Step Solution
- Step 1: Write the proportion equation
7,132,068.10 : 10,698,102.15 = 4,728,117.70 : x - Step 2: Convert to fraction form
7,132,068.10/10,698,102.15 = 4,728,117.70/x - Step 3: Cross multiply
7,132,068.10x = 10,698,102.15 × 4,728,117.70 - Step 4: Simplify right side
7,132,068.10x = 50,581,886,131,823.06 - Step 5: Solve for x
x = 50,581,886,131,823.06/7,132,068.10 - Step 6: Final answer
x = 7,092,176.55
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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.