Finding the Fourth Proportional to 7,655,966.18, 11,473,116.14 and 4,245,752.66
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Solution
The fourth proportional to 7,655,966.18, 11,473,116.14 and 4,245,752.66 is: 6,362,621.28
Step by Step Solution
- Step 1: Write the proportion equation
7,655,966.18 : 11,473,116.14 = 4,245,752.66 : x - Step 2: Convert to fraction form
7,655,966.18/11,473,116.14 = 4,245,752.66/x - Step 3: Cross multiply
7,655,966.18x = 11,473,116.14 × 4,245,752.66 - Step 4: Simplify right side
7,655,966.18x = 48,712,013,369,893.94 - Step 5: Solve for x
x = 48,712,013,369,893.94/7,655,966.18 - Step 6: Final answer
x = 6,362,621.28
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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.