Finding the Fourth Proportional to 20,032,692.19, 27,645,117.04 and 11,330,677.51
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Solution
The fourth proportional to 20,032,692.19, 27,645,117.04 and 11,330,677.51 is: 15,636,335.99
Step by Step Solution
- Step 1: Write the proportion equation
20,032,692.19 : 27,645,117.04 = 11,330,677.51 : x - Step 2: Convert to fraction form
20,032,692.19/27,645,117.04 = 11,330,677.51/x - Step 3: Cross multiply
20,032,692.19x = 27,645,117.04 × 11,330,677.51 - Step 4: Simplify right side
20,032,692.19x = 313,237,905,851,496.38 - Step 5: Solve for x
x = 313,237,905,851,496.38/20,032,692.19 - Step 6: Final answer
x = 15,636,335.99
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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.