Finding the Fourth Proportional to 8,152,854.18, 11,251,212.74 and 4,799,415.41
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Solution
The fourth proportional to 8,152,854.18, 11,251,212.74 and 4,799,415.41 is: 6,623,354.55
Step by Step Solution
- Step 1: Write the proportion equation
8,152,854.18 : 11,251,212.74 = 4,799,415.41 : x - Step 2: Convert to fraction form
8,152,854.18/11,251,212.74 = 4,799,415.41/x - Step 3: Cross multiply
8,152,854.18x = 11,251,212.74 × 4,799,415.41 - Step 4: Simplify right side
8,152,854.18x = 53,999,243,802,355.78 - Step 5: Solve for x
x = 53,999,243,802,355.78/8,152,854.18 - Step 6: Final answer
x = 6,623,354.55
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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.