Finding the Fourth Proportional to 7,864,376.90, 11,796,985.74 and 2,473,447.70
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Solution
The fourth proportional to 7,864,376.90, 11,796,985.74 and 2,473,447.70 is: 3,710,303.76
Step by Step Solution
- Step 1: Write the proportion equation
7,864,376.90 : 11,796,985.74 = 2,473,447.70 : x - Step 2: Convert to fraction form
7,864,376.90/11,796,985.74 = 2,473,447.70/x - Step 3: Cross multiply
7,864,376.90x = 11,796,985.74 × 2,473,447.70 - Step 4: Simplify right side
7,864,376.90x = 29,179,227,186,550.87 - Step 5: Solve for x
x = 29,179,227,186,550.87/7,864,376.90 - Step 6: Final answer
x = 3,710,303.76
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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.