Finding the Fourth Proportional to 11,501,102.61, 15,871,565.97 and 6,344,389.89
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Solution
The fourth proportional to 11,501,102.61, 15,871,565.97 and 6,344,389.89 is: 8,755,282.52
Step by Step Solution
- Step 1: Write the proportion equation
11,501,102.61 : 15,871,565.97 = 6,344,389.89 : x - Step 2: Convert to fraction form
11,501,102.61/15,871,565.97 = 6,344,389.89/x - Step 3: Cross multiply
11,501,102.61x = 15,871,565.97 × 6,344,389.89 - Step 4: Simplify right side
11,501,102.61x = 100,695,402,678,536.05 - Step 5: Solve for x
x = 100,695,402,678,536.05/11,501,102.61 - Step 6: Final answer
x = 8,755,282.52
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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.