Finding the Fourth Proportional to 14,305,623.96, 19,742,280.21 and 8,195,233.44
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Solution
The fourth proportional to 14,305,623.96, 19,742,280.21 and 8,195,233.44 is: 11,309,719.55
Step by Step Solution
- Step 1: Write the proportion equation
14,305,623.96 : 19,742,280.21 = 8,195,233.44 : x - Step 2: Convert to fraction form
14,305,623.96/19,742,280.21 = 8,195,233.44/x - Step 3: Cross multiply
14,305,623.96x = 19,742,280.21 × 8,195,233.44 - Step 4: Simplify right side
14,305,623.96x = 161,792,594,917,866.06 - Step 5: Solve for x
x = 161,792,594,917,866.06/14,305,623.96 - Step 6: Final answer
x = 11,309,719.55
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1.5x scale
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.