Finding the Fourth Proportional to 23,378,934.87, 32,263,926.50 and 13,065,657.66
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Solution
The fourth proportional to 23,378,934.87, 32,263,926.50 and 13,065,657.66 is: 18,031,164.41
Step by Step Solution
- Step 1: Write the proportion equation
23,378,934.87 : 32,263,926.50 = 13,065,657.66 : x - Step 2: Convert to fraction form
23,378,934.87/32,263,926.50 = 13,065,657.66/x - Step 3: Cross multiply
23,378,934.87x = 32,263,926.50 × 13,065,657.66 - Step 4: Simplify right side
23,378,934.87x = 421,549,418,351,073.75 - Step 5: Solve for x
x = 421,549,418,351,073.75/23,378,934.87 - Step 6: Final answer
x = 18,031,164.41
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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.