Finding the Fourth Proportional to 14,245,701.96, 19,659,430.08 and 8,742,116.64
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Solution
The fourth proportional to 14,245,701.96, 19,659,430.08 and 8,742,116.64 is: 12,064,342.73
Step by Step Solution
- Step 1: Write the proportion equation
14,245,701.96 : 19,659,430.08 = 8,742,116.64 : x - Step 2: Convert to fraction form
14,245,701.96/19,659,430.08 = 8,742,116.64/x - Step 3: Cross multiply
14,245,701.96x = 19,659,430.08 × 8,742,116.64 - Step 4: Simplify right side
14,245,701.96x = 171,865,030,835,284.53 - Step 5: Solve for x
x = 171,865,030,835,284.53/14,245,701.96 - Step 6: Final answer
x = 12,064,342.73
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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.