Finding the Fourth Proportional to 14,460,681.21, 19,955,777.96 and 7,845,269.31
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Solution
The fourth proportional to 14,460,681.21, 19,955,777.96 and 7,845,269.31 is: 10,826,492.20
Step by Step Solution
- Step 1: Write the proportion equation
14,460,681.21 : 19,955,777.96 = 7,845,269.31 : x - Step 2: Convert to fraction form
14,460,681.21/19,955,777.96 = 7,845,269.31/x - Step 3: Cross multiply
14,460,681.21x = 19,955,777.96 × 7,845,269.31 - Step 4: Simplify right side
14,460,681.21x = 156,558,452,347,536.03 - Step 5: Solve for x
x = 156,558,452,347,536.03/14,460,681.21 - Step 6: Final answer
x = 10,826,492.20
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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.