Finding the Fourth Proportional to 8,823,031.84, 12,175,540.95 and 4,902,686.71
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Solution
The fourth proportional to 8,823,031.84, 12,175,540.95 and 4,902,686.71 is: 6,765,572.64
Step by Step Solution
- Step 1: Write the proportion equation
8,823,031.84 : 12,175,540.95 = 4,902,686.71 : x - Step 2: Convert to fraction form
8,823,031.84/12,175,540.95 = 4,902,686.71/x - Step 3: Cross multiply
8,823,031.84x = 12,175,540.95 × 4,902,686.71 - Step 4: Simplify right side
8,823,031.84x = 59,692,862,802,625.77 - Step 5: Solve for x
x = 59,692,862,802,625.77/8,823,031.84 - Step 6: Final answer
x = 6,765,572.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.