Finding the Fourth Proportional to 10,516,411.68, 14,512,657.72 and 5,687,515.68
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Solution
The fourth proportional to 10,516,411.68, 14,512,657.72 and 5,687,515.68 is: 7,848,776.83
Step by Step Solution
- Step 1: Write the proportion equation
10,516,411.68 : 14,512,657.72 = 5,687,515.68 : x - Step 2: Convert to fraction form
10,516,411.68/14,512,657.72 = 5,687,515.68/x - Step 3: Cross multiply
10,516,411.68x = 14,512,657.72 × 5,687,515.68 - Step 4: Simplify right side
10,516,411.68x = 82,540,968,340,973.05 - Step 5: Solve for x
x = 82,540,968,340,973.05/10,516,411.68 - Step 6: Final answer
x = 7,848,776.83
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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.