Finding the Fourth Proportional to 11,877,149.34, 16,386,656.82 and 6,649,389.12
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Solution
The fourth proportional to 11,877,149.34, 16,386,656.82 and 6,649,389.12 is: 9,174,024.38
Step by Step Solution
- Step 1: Write the proportion equation
11,877,149.34 : 16,386,656.82 = 6,649,389.12 : x - Step 2: Convert to fraction form
11,877,149.34/16,386,656.82 = 6,649,389.12/x - Step 3: Cross multiply
11,877,149.34x = 16,386,656.82 × 6,649,389.12 - Step 4: Simplify right side
11,877,149.34x = 108,961,257,572,081.80 - Step 5: Solve for x
x = 108,961,257,572,081.80/11,877,149.34 - Step 6: Final answer
x = 9,174,024.38
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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.