Finding the Fourth Proportional to 36,977,831.19, 51,030,488.30 and 20,233,575.99
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Solution
The fourth proportional to 36,977,831.19, 51,030,488.30 and 20,233,575.99 is: 27,922,926.51
Step by Step Solution
- Step 1: Write the proportion equation
36,977,831.19 : 51,030,488.30 = 20,233,575.99 : x - Step 2: Convert to fraction form
36,977,831.19/51,030,488.30 = 20,233,575.99/x - Step 3: Cross multiply
36,977,831.19x = 51,030,488.30 × 20,233,575.99 - Step 4: Simplify right side
36,977,831.19x = 1,032,529,262,723,688 - Step 5: Solve for x
x = 1,032,529,262,723,688/36,977,831.19 - Step 6: Final answer
x = 27,922,926.51
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1.5x scale
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.