Finding the Fourth Proportional to 7,800,292.16, 11,698,666.64 and 3,754,714.08
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Solution
The fourth proportional to 7,800,292.16, 11,698,666.64 and 3,754,714.08 is: 5,631,218.35
Step by Step Solution
- Step 1: Write the proportion equation
7,800,292.16 : 11,698,666.64 = 3,754,714.08 : x - Step 2: Convert to fraction form
7,800,292.16/11,698,666.64 = 3,754,714.08/x - Step 3: Cross multiply
7,800,292.16x = 11,698,666.64 × 3,754,714.08 - Step 4: Simplify right side
7,800,292.16x = 43,925,148,350,434.30 - Step 5: Solve for x
x = 43,925,148,350,434.30/7,800,292.16 - Step 6: Final answer
x = 5,631,218.35
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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.