Finding the Fourth Proportional to 7,664,412.71, 11,497,283.60 and 2,808,038.43
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Solution
The fourth proportional to 7,664,412.71, 11,497,283.60 and 2,808,038.43 is: 4,212,301.11
Step by Step Solution
- Step 1: Write the proportion equation
7,664,412.71 : 11,497,283.60 = 2,808,038.43 : x - Step 2: Convert to fraction form
7,664,412.71/11,497,283.60 = 2,808,038.43/x - Step 3: Cross multiply
7,664,412.71x = 11,497,283.60 × 2,808,038.43 - Step 4: Simplify right side
7,664,412.71x = 32,284,814,175,368.56 - Step 5: Solve for x
x = 32,284,814,175,368.56/7,664,412.71 - Step 6: Final answer
x = 4,212,301.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.