Finding the Fourth Proportional to 7,486,625.79, 10,329,031.17 and 6,107,585.58
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Solution
The fourth proportional to 7,486,625.79, 10,329,031.17 and 6,107,585.58 is: 8,426,418.47
Step by Step Solution
- Step 1: Write the proportion equation
7,486,625.79 : 10,329,031.17 = 6,107,585.58 : x - Step 2: Convert to fraction form
7,486,625.79/10,329,031.17 = 6,107,585.58/x - Step 3: Cross multiply
7,486,625.79x = 10,329,031.17 × 6,107,585.58 - Step 4: Simplify right side
7,486,625.79x = 63,085,441,829,262.53 - Step 5: Solve for x
x = 63,085,441,829,262.53/7,486,625.79 - Step 6: Final answer
x = 8,426,418.47
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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.