Finding the Fourth Proportional to 35,069,886.27, 48,395,013.21 and 19,387,912.65
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Solution
The fourth proportional to 35,069,886.27, 48,395,013.21 and 19,387,912.65 is: 26,754,528.99
Step by Step Solution
- Step 1: Write the proportion equation
35,069,886.27 : 48,395,013.21 = 19,387,912.65 : x - Step 2: Convert to fraction form
35,069,886.27/48,395,013.21 = 19,387,912.65/x - Step 3: Cross multiply
35,069,886.27x = 48,395,013.21 × 19,387,912.65 - Step 4: Simplify right side
35,069,886.27x = 938,278,288,811,076 - Step 5: Solve for x
x = 938,278,288,811,076/35,069,886.27 - Step 6: Final answer
x = 26,754,528.99
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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.