Finding the Fourth Proportional to 8,063,985.09, 11,128,294.71 and 4,442,313.09
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Solution
The fourth proportional to 8,063,985.09, 11,128,294.71 and 4,442,313.09 is: 6,130,389.47
Step by Step Solution
- Step 1: Write the proportion equation
8,063,985.09 : 11,128,294.71 = 4,442,313.09 : x - Step 2: Convert to fraction form
8,063,985.09/11,128,294.71 = 4,442,313.09/x - Step 3: Cross multiply
8,063,985.09x = 11,128,294.71 × 4,442,313.09 - Step 4: Simplify right side
8,063,985.09x = 49,435,369,259,610.76 - Step 5: Solve for x
x = 49,435,369,259,610.76/8,063,985.09 - Step 6: Final answer
x = 6,130,389.47
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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.