Finding the Fourth Proportional to 9,528,430.94, 13,149,206.06 and 5,177,530.52
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Solution
The fourth proportional to 9,528,430.94, 13,149,206.06 and 5,177,530.52 is: 7,144,976.55
Step by Step Solution
- Step 1: Write the proportion equation
9,528,430.94 : 13,149,206.06 = 5,177,530.52 : x - Step 2: Convert to fraction form
9,528,430.94/13,149,206.06 = 5,177,530.52/x - Step 3: Cross multiply
9,528,430.94x = 13,149,206.06 × 5,177,530.52 - Step 4: Simplify right side
9,528,430.94x = 68,080,415,623,672.92 - Step 5: Solve for x
x = 68,080,415,623,672.92/9,528,430.94 - Step 6: Final answer
x = 7,144,976.55
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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.