Finding the Fourth Proportional to 16,225,159.75, 22,391,963.98 and 9,255,990.71
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Solution
The fourth proportional to 16,225,159.75, 22,391,963.98 and 9,255,990.71 is: 12,773,976.58
Step by Step Solution
- Step 1: Write the proportion equation
16,225,159.75 : 22,391,963.98 = 9,255,990.71 : x - Step 2: Convert to fraction form
16,225,159.75/22,391,963.98 = 9,255,990.71/x - Step 3: Cross multiply
16,225,159.75x = 22,391,963.98 × 9,255,990.71 - Step 4: Simplify right side
16,225,159.75x = 207,259,810,610,374.56 - Step 5: Solve for x
x = 207,259,810,610,374.56/16,225,159.75 - Step 6: Final answer
x = 12,773,976.58
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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.