Finding the Fourth Proportional to 38,668,682.96, 53,347,679.43 and 22,139,973.94
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Solution
The fourth proportional to 38,668,682.96, 53,347,679.43 and 22,139,973.94 is: 30,544,516.70
Step by Step Solution
- Step 1: Write the proportion equation
38,668,682.96 : 53,347,679.43 = 22,139,973.94 : x - Step 2: Convert to fraction form
38,668,682.96/53,347,679.43 = 22,139,973.94/x - Step 3: Cross multiply
38,668,682.96x = 53,347,679.43 × 22,139,973.94 - Step 4: Simplify right side
38,668,682.96x = 1,181,116,232,339,674 - Step 5: Solve for x
x = 1,181,116,232,339,674/38,668,682.96 - Step 6: Final answer
x = 30,544,516.70
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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.