Finding the Fourth Proportional to 9,975,214.56, 14,968,427.36 and 5,426,581.68
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Solution
The fourth proportional to 9,975,214.56, 14,968,427.36 and 5,426,581.68 is: 8,142,921.96
Step by Step Solution
- Step 1: Write the proportion equation
9,975,214.56 : 14,968,427.36 = 5,426,581.68 : x - Step 2: Convert to fraction form
9,975,214.56/14,968,427.36 = 5,426,581.68/x - Step 3: Cross multiply
9,975,214.56x = 14,968,427.36 × 5,426,581.68 - Step 4: Simplify right side
9,975,214.56x = 81,227,393,690,186.75 - Step 5: Solve for x
x = 81,227,393,690,186.75/9,975,214.56 - Step 6: Final answer
x = 8,142,921.96
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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.