Finding the Fourth Proportional to 13,149,067.80, 19,723,601.70 and 3,564,430.95
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Solution
The fourth proportional to 13,149,067.80, 19,723,601.70 and 3,564,430.95 is: 5,346,646.43
Step by Step Solution
- Step 1: Write the proportion equation
13,149,067.80 : 19,723,601.70 = 3,564,430.95 : x - Step 2: Convert to fraction form
13,149,067.80/19,723,601.70 = 3,564,430.95/x - Step 3: Cross multiply
13,149,067.80x = 19,723,601.70 × 3,564,430.95 - Step 4: Simplify right side
13,149,067.80x = 70,303,416,344,952.62 - Step 5: Solve for x
x = 70,303,416,344,952.62/13,149,067.80 - Step 6: Final answer
x = 5,346,646.43
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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.