Finding the Fourth Proportional to 16,871,189.99, 23,282,264.63 and 9,136,245.65
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Solution
The fourth proportional to 16,871,189.99, 23,282,264.63 and 9,136,245.65 is: 12,608,031.15
Step by Step Solution
- Step 1: Write the proportion equation
16,871,189.99 : 23,282,264.63 = 9,136,245.65 : x - Step 2: Convert to fraction form
16,871,189.99/23,282,264.63 = 9,136,245.65/x - Step 3: Cross multiply
16,871,189.99x = 23,282,264.63 × 9,136,245.65 - Step 4: Simplify right side
16,871,189.99x = 212,712,488,854,415.66 - Step 5: Solve for x
x = 212,712,488,854,415.66/16,871,189.99 - Step 6: Final answer
x = 12,608,031.15
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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.