Finding the Fourth Proportional to 37,634,614.17, 51,938,897.84 and 20,890,929.63
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Solution
The fourth proportional to 37,634,614.17, 51,938,897.84 and 20,890,929.63 is: 28,831,220.50
Step by Step Solution
- Step 1: Write the proportion equation
37,634,614.17 : 51,938,897.84 = 20,890,929.63 : x - Step 2: Convert to fraction form
37,634,614.17/51,938,897.84 = 20,890,929.63/x - Step 3: Cross multiply
37,634,614.17x = 51,938,897.84 × 20,890,929.63 - Step 4: Simplify right side
37,634,614.17x = 1,085,051,859,730,744.38 - Step 5: Solve for x
x = 1,085,051,859,730,744.38/37,634,614.17 - Step 6: Final answer
x = 28,831,220.50
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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.