Finding the Fourth Proportional to 16,243,543.69, 22,416,106.08 and 8,901,393.15
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Solution
The fourth proportional to 16,243,543.69, 22,416,106.08 and 8,901,393.15 is: 12,283,931.21
Step by Step Solution
- Step 1: Write the proportion equation
16,243,543.69 : 22,416,106.08 = 8,901,393.15 : x - Step 2: Convert to fraction form
16,243,543.69/22,416,106.08 = 8,901,393.15/x - Step 3: Cross multiply
16,243,543.69x = 22,416,106.08 × 8,901,393.15 - Step 4: Simplify right side
16,243,543.69x = 199,534,573,227,625.97 - Step 5: Solve for x
x = 199,534,573,227,625.97/16,243,543.69 - Step 6: Final answer
x = 12,283,931.21
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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.