Finding the Fourth Proportional to 26,198,491.47, 36,129,395.11 and 20,704,990.08
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Solution
The fourth proportional to 26,198,491.47, 36,129,395.11 and 20,704,990.08 is: 28,553,505.39
Step by Step Solution
- Step 1: Write the proportion equation
26,198,491.47 : 36,129,395.11 = 20,704,990.08 : x - Step 2: Convert to fraction form
26,198,491.47/36,129,395.11 = 20,704,990.08/x - Step 3: Cross multiply
26,198,491.47x = 36,129,395.11 × 20,704,990.08 - Step 4: Simplify right side
26,198,491.47x = 748,058,767,348,950.38 - Step 5: Solve for x
x = 748,058,767,348,950.38/26,198,491.47 - Step 6: Final answer
x = 28,553,505.39
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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.