Finding the Fourth Proportional to 7,021,106.53, 9,685,495.82 and 4,444,281.98
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Solution
The fourth proportional to 7,021,106.53, 9,685,495.82 and 4,444,281.98 is: 6,130,810.63
Step by Step Solution
- Step 1: Write the proportion equation
7,021,106.53 : 9,685,495.82 = 4,444,281.98 : x - Step 2: Convert to fraction form
7,021,106.53/9,685,495.82 = 4,444,281.98/x - Step 3: Cross multiply
7,021,106.53x = 9,685,495.82 × 4,444,281.98 - Step 4: Simplify right side
7,021,106.53x = 43,045,074,539,195.16 - Step 5: Solve for x
x = 43,045,074,539,195.16/7,021,106.53 - Step 6: Final answer
x = 6,130,810.63
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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.