Finding the Fourth Proportional to 19,264,752.30, 28,901,950.80 and 5,617,900.26
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Solution
The fourth proportional to 19,264,752.30, 28,901,950.80 and 5,617,900.26 is: 8,428,256.66
Step by Step Solution
- Step 1: Write the proportion equation
19,264,752.30 : 28,901,950.80 = 5,617,900.26 : x - Step 2: Convert to fraction form
19,264,752.30/28,901,950.80 = 5,617,900.26/x - Step 3: Cross multiply
19,264,752.30x = 28,901,950.80 × 5,617,900.26 - Step 4: Simplify right side
19,264,752.30x = 162,368,276,913,827.22 - Step 5: Solve for x
x = 162,368,276,913,827.22/19,264,752.30 - Step 6: Final answer
x = 8,428,256.66
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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.