Finding the Fourth Proportional to 10,667,656.12, 14,721,364.94 and 5,772,878.36
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Solution
The fourth proportional to 10,667,656.12, 14,721,364.94 and 5,772,878.36 is: 7,966,571.86
Step by Step Solution
- Step 1: Write the proportion equation
10,667,656.12 : 14,721,364.94 = 5,772,878.36 : x - Step 2: Convert to fraction form
10,667,656.12/14,721,364.94 = 5,772,878.36/x - Step 3: Cross multiply
10,667,656.12x = 14,721,364.94 × 5,772,878.36 - Step 4: Simplify right side
10,667,656.12x = 84,984,649,091,788.70 - Step 5: Solve for x
x = 84,984,649,091,788.70/10,667,656.12 - Step 6: Final answer
x = 7,966,571.86
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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.