Finding the Fourth Proportional to 11,580,567.96, 15,981,255.90 and 6,424,256.28
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Solution
The fourth proportional to 11,580,567.96, 15,981,255.90 and 6,424,256.28 is: 8,865,513.67
Step by Step Solution
- Step 1: Write the proportion equation
11,580,567.96 : 15,981,255.90 = 6,424,256.28 : x - Step 2: Convert to fraction form
11,580,567.96/15,981,255.90 = 6,424,256.28/x - Step 3: Cross multiply
11,580,567.96x = 15,981,255.90 × 6,424,256.28 - Step 4: Simplify right side
11,580,567.96x = 102,667,683,577,862.06 - Step 5: Solve for x
x = 102,667,683,577,862.06/11,580,567.96 - Step 6: Final answer
x = 8,865,513.67
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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.