Finding the Fourth Proportional to 8,881,554.74, 12,257,257.58 and 7,061,037.17
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Solution
The fourth proportional to 8,881,554.74, 12,257,257.58 and 7,061,037.17 is: 9,744,797.38
Step by Step Solution
- Step 1: Write the proportion equation
8,881,554.74 : 12,257,257.58 = 7,061,037.17 : x - Step 2: Convert to fraction form
8,881,554.74/12,257,257.58 = 7,061,037.17/x - Step 3: Cross multiply
8,881,554.74x = 12,257,257.58 × 7,061,037.17 - Step 4: Simplify right side
8,881,554.74x = 86,548,951,339,339.06 - Step 5: Solve for x
x = 86,548,951,339,339.06/8,881,554.74 - Step 6: Final answer
x = 9,744,797.38
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1.5x scale
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.