Finding the Fourth Proportional to 10,363,465.20, 15,521,578.20 and 6,111,937.20
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Solution
The fourth proportional to 10,363,465.20, 15,521,578.20 and 6,111,937.20 is: 9,153,975.95
Step by Step Solution
- Step 1: Write the proportion equation
10,363,465.20 : 15,521,578.20 = 6,111,937.20 : x - Step 2: Convert to fraction form
10,363,465.20/15,521,578.20 = 6,111,937.20/x - Step 3: Cross multiply
10,363,465.20x = 15,521,578.20 × 6,111,937.20 - Step 4: Simplify right side
10,363,465.20x = 94,866,911,203,289.03 - Step 5: Solve for x
x = 94,866,911,203,289.03/10,363,465.20 - Step 6: Final answer
x = 9,153,975.95
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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.