Finding the Fourth Proportional to 7,961,997.16, 11,927,780.74 and 6,673,398.08
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Solution
The fourth proportional to 7,961,997.16, 11,927,780.74 and 6,673,398.08 is: 9,997,344.57
Step by Step Solution
- Step 1: Write the proportion equation
7,961,997.16 : 11,927,780.74 = 6,673,398.08 : x - Step 2: Convert to fraction form
7,961,997.16/11,927,780.74 = 6,673,398.08/x - Step 3: Cross multiply
7,961,997.16x = 11,927,780.74 × 6,673,398.08 - Step 4: Simplify right side
7,961,997.16x = 79,598,829,088,976.98 - Step 5: Solve for x
x = 79,598,829,088,976.98/7,961,997.16 - Step 6: Final answer
x = 9,997,344.57
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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.