Finding the Fourth Proportional to 15,221,969.28, 22,836,312.74 and 4,440,113.84
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Solution
The fourth proportional to 15,221,969.28, 22,836,312.74 and 4,440,113.84 is: 6,661,150.50
Step by Step Solution
- Step 1: Write the proportion equation
15,221,969.28 : 22,836,312.74 = 4,440,113.84 : x - Step 2: Convert to fraction form
15,221,969.28/22,836,312.74 = 4,440,113.84/x - Step 3: Cross multiply
15,221,969.28x = 22,836,312.74 × 4,440,113.84 - Step 4: Simplify right side
15,221,969.28x = 101,395,828,251,442.31 - Step 5: Solve for x
x = 101,395,828,251,442.31/15,221,969.28 - Step 6: Final answer
x = 6,661,150.50
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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.