Finding the Fourth Proportional to 28,896,744.42, 39,879,298.98 and 16,019,688.42
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Solution
The fourth proportional to 28,896,744.42, 39,879,298.98 and 16,019,688.42 is: 22,108,163.29
Step by Step Solution
- Step 1: Write the proportion equation
28,896,744.42 : 39,879,298.98 = 16,019,688.42 : x - Step 2: Convert to fraction form
28,896,744.42/39,879,298.98 = 16,019,688.42/x - Step 3: Cross multiply
28,896,744.42x = 39,879,298.98 × 16,019,688.42 - Step 4: Simplify right side
28,896,744.42x = 638,853,944,067,623.75 - Step 5: Solve for x
x = 638,853,944,067,623.75/28,896,744.42 - Step 6: Final answer
x = 22,108,163.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.