Finding the Fourth Proportional to 40,530,525.99, 60,786,671.95 and 18,649,916.74
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Solution
The fourth proportional to 40,530,525.99, 60,786,671.95 and 18,649,916.74 is: 27,970,679.95
Step by Step Solution
- Step 1: Write the proportion equation
40,530,525.99 : 60,786,671.95 = 18,649,916.74 : x - Step 2: Convert to fraction form
40,530,525.99/60,786,671.95 = 18,649,916.74/x - Step 3: Cross multiply
40,530,525.99x = 60,786,671.95 × 18,649,916.74 - Step 4: Simplify right side
40,530,525.99x = 1,133,666,370,769,193.50 - Step 5: Solve for x
x = 1,133,666,370,769,193.50/40,530,525.99 - Step 6: Final answer
x = 27,970,679.95
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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.