Finding the Fourth Proportional to 10,479,381.30, 15,687,579.15 and 6,217,355.70
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Solution
The fourth proportional to 10,479,381.30, 15,687,579.15 and 6,217,355.70 is: 9,307,349.06
Step by Step Solution
- Step 1: Write the proportion equation
10,479,381.30 : 15,687,579.15 = 6,217,355.70 : x - Step 2: Convert to fraction form
10,479,381.30/15,687,579.15 = 6,217,355.70/x - Step 3: Cross multiply
10,479,381.30x = 15,687,579.15 × 6,217,355.70 - Step 4: Simplify right side
10,479,381.30x = 97,535,259,647,453.66 - Step 5: Solve for x
x = 97,535,259,647,453.66/10,479,381.30 - Step 6: Final answer
x = 9,307,349.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.