Finding the Fourth Proportional to 34,139,107.21, 47,116,282.70 and 22,388,264.02
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Solution
The fourth proportional to 34,139,107.21, 47,116,282.70 and 22,388,264.02 is: 30,898,633.94
Step by Step Solution
- Step 1: Write the proportion equation
34,139,107.21 : 47,116,282.70 = 22,388,264.02 : x - Step 2: Convert to fraction form
34,139,107.21/47,116,282.70 = 22,388,264.02/x - Step 3: Cross multiply
34,139,107.21x = 47,116,282.70 × 22,388,264.02 - Step 4: Simplify right side
34,139,107.21x = 1,054,851,776,843,424.38 - Step 5: Solve for x
x = 1,054,851,776,843,424.38/34,139,107.21 - Step 6: Final answer
x = 30,898,633.94
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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.