Finding the Fourth Proportional to 10,030,412.08, 13,842,129.54 and 5,679,382.06
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Solution
The fourth proportional to 10,030,412.08, 13,842,129.54 and 5,679,382.06 is: 7,837,638.33
Step by Step Solution
- Step 1: Write the proportion equation
10,030,412.08 : 13,842,129.54 = 5,679,382.06 : x - Step 2: Convert to fraction form
10,030,412.08/13,842,129.54 = 5,679,382.06/x - Step 3: Cross multiply
10,030,412.08x = 13,842,129.54 × 5,679,382.06 - Step 4: Simplify right side
10,030,412.08x = 78,614,742,181,672.05 - Step 5: Solve for x
x = 78,614,742,181,672.05/10,030,412.08 - Step 6: Final answer
x = 7,837,638.33
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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.