Finding the Fourth Proportional to 42,625,545.18, 63,922,445.01 and 15,324,388.26
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Solution
The fourth proportional to 42,625,545.18, 63,922,445.01 and 15,324,388.26 is: 22,980,875.94
Step by Step Solution
- Step 1: Write the proportion equation
42,625,545.18 : 63,922,445.01 = 15,324,388.26 : x - Step 2: Convert to fraction form
42,625,545.18/63,922,445.01 = 15,324,388.26/x - Step 3: Cross multiply
42,625,545.18x = 63,922,445.01 × 15,324,388.26 - Step 4: Simplify right side
42,625,545.18x = 979,572,365,861,739.50 - Step 5: Solve for x
x = 979,572,365,861,739.50/42,625,545.18 - Step 6: Final answer
x = 22,980,875.94
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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.