Finding the Fourth Proportional to 11,520,332.49, 15,898,541.52 and 6,625,557.90
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Solution
The fourth proportional to 11,520,332.49, 15,898,541.52 and 6,625,557.90 is: 9,143,547.50
Step by Step Solution
- Step 1: Write the proportion equation
11,520,332.49 : 15,898,541.52 = 6,625,557.90 : x - Step 2: Convert to fraction form
11,520,332.49/15,898,541.52 = 6,625,557.90/x - Step 3: Cross multiply
11,520,332.49x = 15,898,541.52 × 6,625,557.90 - Step 4: Simplify right side
11,520,332.49x = 105,336,707,366,314.02 - Step 5: Solve for x
x = 105,336,707,366,314.02/11,520,332.49 - Step 6: Final answer
x = 9,143,547.50
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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.