Finding the Fourth Proportional to 10,142,178.95, 15,218,262.99 and 4,749,898.08
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Solution
The fourth proportional to 10,142,178.95, 15,218,262.99 and 4,749,898.08 is: 7,127,186.23
Step by Step Solution
- Step 1: Write the proportion equation
10,142,178.95 : 15,218,262.99 = 4,749,898.08 : x - Step 2: Convert to fraction form
10,142,178.95/15,218,262.99 = 4,749,898.08/x - Step 3: Cross multiply
10,142,178.95x = 15,218,262.99 × 4,749,898.08 - Step 4: Simplify right side
10,142,178.95x = 72,285,198,200,847.84 - Step 5: Solve for x
x = 72,285,198,200,847.84/10,142,178.95 - Step 6: Final answer
x = 7,127,186.23
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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.