Finding the Fourth Proportional to 7,659,889.81, 11,487,592.70 and 6,308,701.07
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Solution
The fourth proportional to 7,659,889.81, 11,487,592.70 and 6,308,701.07 is: 9,461,205.08
Step by Step Solution
- Step 1: Write the proportion equation
7,659,889.81 : 11,487,592.70 = 6,308,701.07 : x - Step 2: Convert to fraction form
7,659,889.81/11,487,592.70 = 6,308,701.07/x - Step 3: Cross multiply
7,659,889.81x = 11,487,592.70 × 6,308,701.07 - Step 4: Simplify right side
7,659,889.81x = 72,471,788,358,214.19 - Step 5: Solve for x
x = 72,471,788,358,214.19/7,659,889.81 - Step 6: Final answer
x = 9,461,205.08
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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.