Finding the Fourth Proportional to 20,804,541.65, 31,206,909.68 and 7,341,369.65
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Solution
The fourth proportional to 20,804,541.65, 31,206,909.68 and 7,341,369.65 is: 11,012,088.78
Step by Step Solution
- Step 1: Write the proportion equation
20,804,541.65 : 31,206,909.68 = 7,341,369.65 : x - Step 2: Convert to fraction form
20,804,541.65/31,206,909.68 = 7,341,369.65/x - Step 3: Cross multiply
20,804,541.65x = 31,206,909.68 × 7,341,369.65 - Step 4: Simplify right side
20,804,541.65x = 229,101,459,595,043.22 - Step 5: Solve for x
x = 229,101,459,595,043.22/20,804,541.65 - Step 6: Final answer
x = 11,012,088.78
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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.