Finding the Fourth Proportional to 47,297,380.74, 65,302,658.80 and 30,592,612.40
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Solution
The fourth proportional to 47,297,380.74, 65,302,658.80 and 30,592,612.40 is: 42,238,679.99
Step by Step Solution
- Step 1: Write the proportion equation
47,297,380.74 : 65,302,658.80 = 30,592,612.40 : x - Step 2: Convert to fraction form
47,297,380.74/65,302,658.80 = 30,592,612.40/x - Step 3: Cross multiply
47,297,380.74x = 65,302,658.80 × 30,592,612.40 - Step 4: Simplify right side
47,297,380.74x = 1,997,778,929,357,849 - Step 5: Solve for x
x = 1,997,778,929,357,849/47,297,380.74 - Step 6: Final answer
x = 42,238,679.99
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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.