Finding the Fourth Proportional to 39,953,747.68, 55,136,360.28 and 22,550,826.40
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Solution
The fourth proportional to 39,953,747.68, 55,136,360.28 and 22,550,826.40 is: 31,120,246.82
Step by Step Solution
- Step 1: Write the proportion equation
39,953,747.68 : 55,136,360.28 = 22,550,826.40 : x - Step 2: Convert to fraction form
39,953,747.68/55,136,360.28 = 22,550,826.40/x - Step 3: Cross multiply
39,953,747.68x = 55,136,360.28 × 22,550,826.40 - Step 4: Simplify right side
39,953,747.68x = 1,243,370,489,002,135.25 - Step 5: Solve for x
x = 1,243,370,489,002,135.25/39,953,747.68 - Step 6: Final answer
x = 31,120,246.82
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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.