Finding the Fourth Proportional to 52,521,420.96, 72,491,654.16 and 30,798,387.36
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Solution
The fourth proportional to 52,521,420.96, 72,491,654.16 and 30,798,387.36 is: 42,508,865.99
Step by Step Solution
- Step 1: Write the proportion equation
52,521,420.96 : 72,491,654.16 = 30,798,387.36 : x - Step 2: Convert to fraction form
52,521,420.96/72,491,654.16 = 30,798,387.36/x - Step 3: Cross multiply
52,521,420.96x = 72,491,654.16 × 30,798,387.36 - Step 4: Simplify right side
52,521,420.96x = 2,232,626,045,186,835.25 - Step 5: Solve for x
x = 2,232,626,045,186,835.25/52,521,420.96 - Step 6: Final answer
x = 42,508,865.99
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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.