Finding the Fourth Proportional to 15,962,364.74, 22,028,063.28 and 8,620,197.47
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Solution
The fourth proportional to 15,962,364.74, 22,028,063.28 and 8,620,197.47 is: 11,895,872.47
Step by Step Solution
- Step 1: Write the proportion equation
15,962,364.74 : 22,028,063.28 = 8,620,197.47 : x - Step 2: Convert to fraction form
15,962,364.74/22,028,063.28 = 8,620,197.47/x - Step 3: Cross multiply
15,962,364.74x = 22,028,063.28 × 8,620,197.47 - Step 4: Simplify right side
15,962,364.74x = 189,886,255,312,154.91 - Step 5: Solve for x
x = 189,886,255,312,154.91/15,962,364.74 - Step 6: Final answer
x = 11,895,872.47
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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.