Finding the Fourth Proportional to 22,471,822.84, 31,011,115.04 and 12,158,545.94
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Solution
The fourth proportional to 22,471,822.84, 31,011,115.04 and 12,158,545.94 is: 16,778,793.14
Step by Step Solution
- Step 1: Write the proportion equation
22,471,822.84 : 31,011,115.04 = 12,158,545.94 : x - Step 2: Convert to fraction form
22,471,822.84/31,011,115.04 = 12,158,545.94/x - Step 3: Cross multiply
22,471,822.84x = 31,011,115.04 × 12,158,545.94 - Step 4: Simplify right side
22,471,822.84x = 377,050,066,864,464.94 - Step 5: Solve for x
x = 377,050,066,864,464.94/22,471,822.84 - Step 6: Final answer
x = 16,778,793.14
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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.