Finding the Fourth Proportional to 42,658,538.74, 64,006,242.05 and 22,939,617.93
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Solution
The fourth proportional to 42,658,538.74, 64,006,242.05 and 22,939,617.93 is: 34,419,339.74
Step by Step Solution
- Step 1: Write the proportion equation
42,658,538.74 : 64,006,242.05 = 22,939,617.93 : x - Step 2: Convert to fraction form
42,658,538.74/64,006,242.05 = 22,939,617.93/x - Step 3: Cross multiply
42,658,538.74x = 64,006,242.05 × 22,939,617.93 - Step 4: Simplify right side
42,658,538.74x = 1,468,278,737,647,402 - Step 5: Solve for x
x = 1,468,278,737,647,402/42,658,538.74 - Step 6: Final answer
x = 34,419,339.74
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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.