Finding the Fourth Proportional to 14,305,688.40, 19,742,369.13 and 8,195,297.88
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Solution
The fourth proportional to 14,305,688.40, 19,742,369.13 and 8,195,297.88 is: 11,309,808.47
Step by Step Solution
- Step 1: Write the proportion equation
14,305,688.40 : 19,742,369.13 = 8,195,297.88 : x - Step 2: Convert to fraction form
14,305,688.40/19,742,369.13 = 8,195,297.88/x - Step 3: Cross multiply
14,305,688.40x = 19,742,369.13 × 8,195,297.88 - Step 4: Simplify right side
14,305,688.40x = 161,794,595,877,266.44 - Step 5: Solve for x
x = 161,794,595,877,266.44/14,305,688.40 - Step 6: Final answer
x = 11,309,808.47
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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.