Finding the Fourth Proportional to 30,787,332.84, 46,173,534.30 and 12,826,639.08
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Solution
The fourth proportional to 30,787,332.84, 46,173,534.30 and 12,826,639.08 is: 19,236,848.56
Step by Step Solution
- Step 1: Write the proportion equation
30,787,332.84 : 46,173,534.30 = 12,826,639.08 : x - Step 2: Convert to fraction form
30,787,332.84/46,173,534.30 = 12,826,639.08/x - Step 3: Cross multiply
30,787,332.84x = 46,173,534.30 × 12,826,639.08 - Step 4: Simplify right side
30,787,332.84x = 592,251,259,514,100.38 - Step 5: Solve for x
x = 592,251,259,514,100.38/30,787,332.84 - Step 6: Final answer
x = 19,236,848.56
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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.