Finding the Fourth Proportional to 19,135,148.28, 28,686,465.72 and 8,905,948.26
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Solution
The fourth proportional to 19,135,148.28, 28,686,465.72 and 8,905,948.26 is: 13,351,356.14
Step by Step Solution
- Step 1: Write the proportion equation
19,135,148.28 : 28,686,465.72 = 8,905,948.26 : x - Step 2: Convert to fraction form
19,135,148.28/28,686,465.72 = 8,905,948.26/x - Step 3: Cross multiply
19,135,148.28x = 28,686,465.72 × 8,905,948.26 - Step 4: Simplify right side
19,135,148.28x = 255,480,179,464,583.62 - Step 5: Solve for x
x = 255,480,179,464,583.62/19,135,148.28 - Step 6: Final answer
x = 13,351,356.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.