Finding the Fourth Proportional to 15,854,320.18, 21,877,625.56 and 8,790,101.92
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Solution
The fourth proportional to 15,854,320.18, 21,877,625.56 and 8,790,101.92 is: 12,129,599.77
Step by Step Solution
- Step 1: Write the proportion equation
15,854,320.18 : 21,877,625.56 = 8,790,101.92 : x - Step 2: Convert to fraction form
15,854,320.18/21,877,625.56 = 8,790,101.92/x - Step 3: Cross multiply
15,854,320.18x = 21,877,625.56 × 8,790,101.92 - Step 4: Simplify right side
15,854,320.18x = 192,306,558,439,997.06 - Step 5: Solve for x
x = 192,306,558,439,997.06/15,854,320.18 - Step 6: Final answer
x = 12,129,599.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.