Finding the Fourth Proportional to 39,905,823.22, 55,085,010.87 and 26,155,673.08
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Solution
The fourth proportional to 39,905,823.22, 55,085,010.87 and 26,155,673.08 is: 36,104,643.88
Step by Step Solution
- Step 1: Write the proportion equation
39,905,823.22 : 55,085,010.87 = 26,155,673.08 : x - Step 2: Convert to fraction form
39,905,823.22/55,085,010.87 = 26,155,673.08/x - Step 3: Cross multiply
39,905,823.22x = 55,085,010.87 × 26,155,673.08 - Step 4: Simplify right side
39,905,823.22x = 1,440,785,535,923,966.25 - Step 5: Solve for x
x = 1,440,785,535,923,966.25/39,905,823.22 - Step 6: Final answer
x = 36,104,643.88
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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.