Finding the Fourth Proportional to 19,901,634.21, 29,852,617.46 and 5,525,823.06
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Solution
The fourth proportional to 19,901,634.21, 29,852,617.46 and 5,525,823.06 is: 8,288,780.72
Step by Step Solution
- Step 1: Write the proportion equation
19,901,634.21 : 29,852,617.46 = 5,525,823.06 : x - Step 2: Convert to fraction form
19,901,634.21/29,852,617.46 = 5,525,823.06/x - Step 3: Cross multiply
19,901,634.21x = 29,852,617.46 × 5,525,823.06 - Step 4: Simplify right side
19,901,634.21x = 164,960,281,961,826.62 - Step 5: Solve for x
x = 164,960,281,961,826.62/19,901,634.21 - Step 6: Final answer
x = 8,288,780.72
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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.