Finding the Fourth Proportional to 9,110,633.84, 12,572,075.58 and 5,242,530.68
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Solution
The fourth proportional to 9,110,633.84, 12,572,075.58 and 5,242,530.68 is: 7,234,347.59
Step by Step Solution
- Step 1: Write the proportion equation
9,110,633.84 : 12,572,075.58 = 5,242,530.68 : x - Step 2: Convert to fraction form
9,110,633.84/12,572,075.58 = 5,242,530.68/x - Step 3: Cross multiply
9,110,633.84x = 12,572,075.58 × 5,242,530.68 - Step 4: Simplify right side
9,110,633.84x = 65,909,491,939,428.79 - Step 5: Solve for x
x = 65,909,491,939,428.79/9,110,633.84 - Step 6: Final answer
x = 7,234,347.59
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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.