Finding the Fourth Proportional to 16,403,886.84, 24,605,838.90 and 4,273,318.20
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Solution
The fourth proportional to 16,403,886.84, 24,605,838.90 and 4,273,318.20 is: 6,409,979.55
Step by Step Solution
- Step 1: Write the proportion equation
16,403,886.84 : 24,605,838.90 = 4,273,318.20 : x - Step 2: Convert to fraction form
16,403,886.84/24,605,838.90 = 4,273,318.20/x - Step 3: Cross multiply
16,403,886.84x = 24,605,838.90 × 4,273,318.20 - Step 4: Simplify right side
16,403,886.84x = 105,148,579,197,637.98 - Step 5: Solve for x
x = 105,148,579,197,637.98/16,403,886.84 - Step 6: Final answer
x = 6,409,979.55
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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.