Finding the Fourth Proportional to 36,130,139.57, 49,858,966.98 and 19,609,909.61
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Solution
The fourth proportional to 36,130,139.57, 49,858,966.98 and 19,609,909.61 is: 27,061,335.70
Step by Step Solution
- Step 1: Write the proportion equation
36,130,139.57 : 49,858,966.98 = 19,609,909.61 : x - Step 2: Convert to fraction form
36,130,139.57/49,858,966.98 = 19,609,909.61/x - Step 3: Cross multiply
36,130,139.57x = 49,858,966.98 × 19,609,909.61 - Step 4: Simplify right side
36,130,139.57x = 977,729,835,476,479.75 - Step 5: Solve for x
x = 977,729,835,476,479.75/36,130,139.57 - Step 6: Final answer
x = 27,061,335.70
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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.