Finding the Fourth Proportional to 36,781,726.80, 55,172,590.20 and 32,742,775.20
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Solution
The fourth proportional to 36,781,726.80, 55,172,590.20 and 32,742,775.20 is: 49,114,162.80
Step by Step Solution
- Step 1: Write the proportion equation
36,781,726.80 : 55,172,590.20 = 32,742,775.20 : x - Step 2: Convert to fraction form
36,781,726.80/55,172,590.20 = 32,742,775.20/x - Step 3: Cross multiply
36,781,726.80x = 55,172,590.20 × 32,742,775.20 - Step 4: Simplify right side
36,781,726.80x = 1,806,503,718,120,323 - Step 5: Solve for x
x = 1,806,503,718,120,323/36,781,726.80 - Step 6: Final answer
x = 49,114,162.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.