Finding the Fourth Proportional to 10,667,424.88, 14,719,462.71 and 6,478,930.14
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Solution
The fourth proportional to 10,667,424.88, 14,719,462.71 and 6,478,930.14 is: 8,939,961.77
Step by Step Solution
- Step 1: Write the proportion equation
10,667,424.88 : 14,719,462.71 = 6,478,930.14 : x - Step 2: Convert to fraction form
10,667,424.88/14,719,462.71 = 6,478,930.14/x - Step 3: Cross multiply
10,667,424.88x = 14,719,462.71 × 6,478,930.14 - Step 4: Simplify right side
10,667,424.88x = 95,366,370,636,172.06 - Step 5: Solve for x
x = 95,366,370,636,172.06/10,667,424.88 - Step 6: Final answer
x = 8,939,961.77
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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.