Finding the Fourth Proportional to 14,264,981.56, 19,685,674.52 and 8,153,541.28
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Solution
The fourth proportional to 14,264,981.56, 19,685,674.52 and 8,153,541.28 is: 11,251,886.95
Step by Step Solution
- Step 1: Write the proportion equation
14,264,981.56 : 19,685,674.52 = 8,153,541.28 : x - Step 2: Convert to fraction form
14,264,981.56/19,685,674.52 = 8,153,541.28/x - Step 3: Cross multiply
14,264,981.56x = 19,685,674.52 × 8,153,541.28 - Step 4: Simplify right side
14,264,981.56x = 160,507,959,823,464.19 - Step 5: Solve for x
x = 160,507,959,823,464.19/14,264,981.56 - Step 6: Final answer
x = 11,251,886.95
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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.