Finding the Fourth Proportional to 7,437,460.32, 10,263,775.68 and 4,129,973.28
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Solution
The fourth proportional to 7,437,460.32, 10,263,775.68 and 4,129,973.28 is: 5,699,407.79
Step by Step Solution
- Step 1: Write the proportion equation
7,437,460.32 : 10,263,775.68 = 4,129,973.28 : x - Step 2: Convert to fraction form
7,437,460.32/10,263,775.68 = 4,129,973.28/x - Step 3: Cross multiply
7,437,460.32x = 10,263,775.68 × 4,129,973.28 - Step 4: Simplify right side
7,437,460.32x = 42,389,119,310,313.83 - Step 5: Solve for x
x = 42,389,119,310,313.83/7,437,460.32 - Step 6: Final answer
x = 5,699,407.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.