Finding the Fourth Proportional to 9,163,497.74, 12,645,656.44 and 5,089,116.74
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Solution
The fourth proportional to 9,163,497.74, 12,645,656.44 and 5,089,116.74 is: 7,022,997.52
Step by Step Solution
- Step 1: Write the proportion equation
9,163,497.74 : 12,645,656.44 = 5,089,116.74 : x - Step 2: Convert to fraction form
9,163,497.74/12,645,656.44 = 5,089,116.74/x - Step 3: Cross multiply
9,163,497.74x = 12,645,656.44 × 5,089,116.74 - Step 4: Simplify right side
9,163,497.74x = 64,355,221,877,092.80 - Step 5: Solve for x
x = 64,355,221,877,092.80/9,163,497.74 - Step 6: Final answer
x = 7,022,997.52
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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.