Finding the Fourth Proportional to 14,235,646.96, 19,645,090.13 and 7,709,125.02
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Solution
The fourth proportional to 14,235,646.96, 19,645,090.13 and 7,709,125.02 is: 10,638,536.92
Step by Step Solution
- Step 1: Write the proportion equation
14,235,646.96 : 19,645,090.13 = 7,709,125.02 : x - Step 2: Convert to fraction form
14,235,646.96/19,645,090.13 = 7,709,125.02/x - Step 3: Cross multiply
14,235,646.96x = 19,645,090.13 × 7,709,125.02 - Step 4: Simplify right side
14,235,646.96x = 151,446,455,729,123.34 - Step 5: Solve for x
x = 151,446,455,729,123.34/14,235,646.96 - Step 6: Final answer
x = 10,638,536.92
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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.