Finding the Fourth Proportional to 28,397,642.90, 42,596,464.35 and 11,370,535.70
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Solution
The fourth proportional to 28,397,642.90, 42,596,464.35 and 11,370,535.70 is: 17,055,803.55
Step by Step Solution
- Step 1: Write the proportion equation
28,397,642.90 : 42,596,464.35 = 11,370,535.70 : x - Step 2: Convert to fraction form
28,397,642.90/42,596,464.35 = 11,370,535.70/x - Step 3: Cross multiply
28,397,642.90x = 42,596,464.35 × 11,370,535.70 - Step 4: Simplify right side
28,397,642.90x = 484,344,618,585,452.25 - Step 5: Solve for x
x = 484,344,618,585,452.25/28,397,642.90 - Step 6: Final answer
x = 17,055,803.55
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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.