Finding the Fourth Proportional to 10,606,348.74, 15,920,655.36 and 9,399,645.52
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Solution
The fourth proportional to 10,606,348.74, 15,920,655.36 and 9,399,645.52 is: 14,109,333.99
Step by Step Solution
- Step 1: Write the proportion equation
10,606,348.74 : 15,920,655.36 = 9,399,645.52 : x - Step 2: Convert to fraction form
10,606,348.74/15,920,655.36 = 9,399,645.52/x - Step 3: Cross multiply
10,606,348.74x = 15,920,655.36 × 9,399,645.52 - Step 4: Simplify right side
10,606,348.74x = 149,648,516,766,787.25 - Step 5: Solve for x
x = 149,648,516,766,787.25/10,606,348.74 - Step 6: Final answer
x = 14,109,333.99
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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.