Finding the Fourth Proportional to 7,447,037.10, 10,278,248.67 and 4,391,069.10
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Solution
The fourth proportional to 7,447,037.10, 10,278,248.67 and 4,391,069.10 is: 6,060,463.98
Step by Step Solution
- Step 1: Write the proportion equation
7,447,037.10 : 10,278,248.67 = 4,391,069.10 : x - Step 2: Convert to fraction form
7,447,037.10/10,278,248.67 = 4,391,069.10/x - Step 3: Cross multiply
7,447,037.10x = 10,278,248.67 × 4,391,069.10 - Step 4: Simplify right side
7,447,037.10x = 45,132,500,136,953.09 - Step 5: Solve for x
x = 45,132,500,136,953.09/7,447,037.10 - Step 6: Final answer
x = 6,060,463.98
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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.