Finding the Fourth Proportional to 13,121,626.16, 19,683,841.08 and 5,549,357.36
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Solution
The fourth proportional to 13,121,626.16, 19,683,841.08 and 5,549,357.36 is: 8,324,628.90
Step by Step Solution
- Step 1: Write the proportion equation
13,121,626.16 : 19,683,841.08 = 5,549,357.36 : x - Step 2: Convert to fraction form
13,121,626.16/19,683,841.08 = 5,549,357.36/x - Step 3: Cross multiply
13,121,626.16x = 19,683,841.08 × 5,549,357.36 - Step 4: Simplify right side
13,121,626.16x = 109,232,668,370,368.34 - Step 5: Solve for x
x = 109,232,668,370,368.34/13,121,626.16 - Step 6: Final answer
x = 8,324,628.90
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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.