Finding the Fourth Proportional to 52,257,502.44, 72,115,633.53 and 28,737,555.12
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Solution
The fourth proportional to 52,257,502.44, 72,115,633.53 and 28,737,555.12 is: 39,657,980.13
Step by Step Solution
- Step 1: Write the proportion equation
52,257,502.44 : 72,115,633.53 = 28,737,555.12 : x - Step 2: Convert to fraction form
52,257,502.44/72,115,633.53 = 28,737,555.12/x - Step 3: Cross multiply
52,257,502.44x = 72,115,633.53 × 28,737,555.12 - Step 4: Simplify right side
52,257,502.44x = 2,072,426,993,582,095.25 - Step 5: Solve for x
x = 2,072,426,993,582,095.25/52,257,502.44 - Step 6: Final answer
x = 39,657,980.13
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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.