Finding the Fourth Proportional to 7,751,746.58, 11,619,803.57 and 4,875,169.07
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Solution
The fourth proportional to 7,751,746.58, 11,619,803.57 and 4,875,169.07 is: 7,307,837.84
Step by Step Solution
- Step 1: Write the proportion equation
7,751,746.58 : 11,619,803.57 = 4,875,169.07 : x - Step 2: Convert to fraction form
7,751,746.58/11,619,803.57 = 4,875,169.07/x - Step 3: Cross multiply
7,751,746.58x = 11,619,803.57 × 4,875,169.07 - Step 4: Simplify right side
7,751,746.58x = 56,648,506,968,613.24 - Step 5: Solve for x
x = 56,648,506,968,613.24/7,751,746.58 - Step 6: Final answer
x = 7,307,837.84
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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.