Finding the Fourth Proportional to 21,798,456.84, 32,697,730.92 and 20,466,698.94
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Solution
The fourth proportional to 21,798,456.84, 32,697,730.92 and 20,466,698.94 is: 30,700,091.28
Step by Step Solution
- Step 1: Write the proportion equation
21,798,456.84 : 32,697,730.92 = 20,466,698.94 : x - Step 2: Convert to fraction form
21,798,456.84/32,697,730.92 = 20,466,698.94/x - Step 3: Cross multiply
21,798,456.84x = 32,697,730.92 × 20,466,698.94 - Step 4: Simplify right side
21,798,456.84x = 669,214,614,760,769.25 - Step 5: Solve for x
x = 669,214,614,760,769.25/21,798,456.84 - Step 6: Final answer
x = 30,700,091.28
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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.