Finding the Fourth Proportional to 38,075,373.26, 52,593,303.35 and 31,486,575.68
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Solution
The fourth proportional to 38,075,373.26, 52,593,303.35 and 31,486,575.68 is: 43,492,233.55
Step by Step Solution
- Step 1: Write the proportion equation
38,075,373.26 : 52,593,303.35 = 31,486,575.68 : x - Step 2: Convert to fraction form
38,075,373.26/52,593,303.35 = 31,486,575.68/x - Step 3: Cross multiply
38,075,373.26x = 52,593,303.35 × 31,486,575.68 - Step 4: Simplify right side
38,075,373.26x = 1,655,983,026,006,722.50 - Step 5: Solve for x
x = 1,655,983,026,006,722.50/38,075,373.26 - Step 6: Final answer
x = 43,492,233.55
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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.