Finding the Fourth Proportional to 12,756,369.26, 19,101,199.34 and 6,987,101.52
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Solution
The fourth proportional to 12,756,369.26, 19,101,199.34 and 6,987,101.52 is: 10,462,382.85
Step by Step Solution
- Step 1: Write the proportion equation
12,756,369.26 : 19,101,199.34 = 6,987,101.52 : x - Step 2: Convert to fraction form
12,756,369.26/19,101,199.34 = 6,987,101.52/x - Step 3: Cross multiply
12,756,369.26x = 19,101,199.34 × 6,987,101.52 - Step 4: Simplify right side
12,756,369.26x = 133,462,018,942,336.98 - Step 5: Solve for x
x = 133,462,018,942,336.98/12,756,369.26 - Step 6: Final answer
x = 10,462,382.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.