Finding the Fourth Proportional to 28,768,933.16, 39,702,545.34 and 16,379,271.98
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Solution
The fourth proportional to 28,768,933.16, 39,702,545.34 and 16,379,271.98 is: 22,604,202.42
Step by Step Solution
- Step 1: Write the proportion equation
28,768,933.16 : 39,702,545.34 = 16,379,271.98 : x - Step 2: Convert to fraction form
28,768,933.16/39,702,545.34 = 16,379,271.98/x - Step 3: Cross multiply
28,768,933.16x = 39,702,545.34 × 16,379,271.98 - Step 4: Simplify right side
28,768,933.16x = 650,298,788,422,141.62 - Step 5: Solve for x
x = 650,298,788,422,141.62/28,768,933.16 - Step 6: Final answer
x = 22,604,202.42
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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.