Finding the Fourth Proportional to 11,240,356.84, 15,512,070.17 and 6,888,604.10
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Solution
The fourth proportional to 11,240,356.84, 15,512,070.17 and 6,888,604.10 is: 9,506,505.15
Step by Step Solution
- Step 1: Write the proportion equation
11,240,356.84 : 15,512,070.17 = 6,888,604.10 : x - Step 2: Convert to fraction form
11,240,356.84/15,512,070.17 = 6,888,604.10/x - Step 3: Cross multiply
11,240,356.84x = 15,512,070.17 × 6,888,604.10 - Step 4: Simplify right side
11,240,356.84x = 106,856,510,112,210.84 - Step 5: Solve for x
x = 106,856,510,112,210.84/11,240,356.84 - Step 6: Final answer
x = 9,506,505.15
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1.5x scale
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.