Finding the Fourth Proportional to 10,445,470.65, 15,667,453.35 and 2,768,940.63
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Solution
The fourth proportional to 10,445,470.65, 15,667,453.35 and 2,768,940.63 is: 4,153,211.44
Step by Step Solution
- Step 1: Write the proportion equation
10,445,470.65 : 15,667,453.35 = 2,768,940.63 : x - Step 2: Convert to fraction form
10,445,470.65/15,667,453.35 = 2,768,940.63/x - Step 3: Cross multiply
10,445,470.65x = 15,667,453.35 × 2,768,940.63 - Step 4: Simplify right side
10,445,470.65x = 43,382,248,149,444.61 - Step 5: Solve for x
x = 43,382,248,149,444.61/10,445,470.65 - Step 6: Final answer
x = 4,153,211.44
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1.5x scale
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.