Finding the Fourth Proportional to 38,973,615.40, 58,435,539.90 and 16,263,548.20
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Solution
The fourth proportional to 38,973,615.40, 58,435,539.90 and 16,263,548.20 is: 24,384,938.63
Step by Step Solution
- Step 1: Write the proportion equation
38,973,615.40 : 58,435,539.90 = 16,263,548.20 : x - Step 2: Convert to fraction form
38,973,615.40/58,435,539.90 = 16,263,548.20/x - Step 3: Cross multiply
38,973,615.40x = 58,435,539.90 × 16,263,548.20 - Step 4: Simplify right side
38,973,615.40x = 950,369,219,756,673.12 - Step 5: Solve for x
x = 950,369,219,756,673.12/38,973,615.40 - Step 6: Final answer
x = 24,384,938.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.