Finding the Fourth Proportional to 16,513,532.88, 22,787,341.98 and 9,544,661.88
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Solution
The fourth proportional to 16,513,532.88, 22,787,341.98 and 9,544,661.88 is: 13,170,862.71
Step by Step Solution
- Step 1: Write the proportion equation
16,513,532.88 : 22,787,341.98 = 9,544,661.88 : x - Step 2: Convert to fraction form
16,513,532.88/22,787,341.98 = 9,544,661.88/x - Step 3: Cross multiply
16,513,532.88x = 22,787,341.98 × 9,544,661.88 - Step 4: Simplify right side
16,513,532.88x = 217,497,474,343,029.75 - Step 5: Solve for x
x = 217,497,474,343,029.75/16,513,532.88 - Step 6: Final answer
x = 13,170,862.71
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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.