Finding the Fourth Proportional to 19,998,745.84, 29,991,927.48 and 7,217,632.72
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Solution
The fourth proportional to 19,998,745.84, 29,991,927.48 and 7,217,632.72 is: 10,824,214.62
Step by Step Solution
- Step 1: Write the proportion equation
19,998,745.84 : 29,991,927.48 = 7,217,632.72 : x - Step 2: Convert to fraction form
19,998,745.84/29,991,927.48 = 7,217,632.72/x - Step 3: Cross multiply
19,998,745.84x = 29,991,927.48 × 7,217,632.72 - Step 4: Simplify right side
19,998,745.84x = 216,470,717,115,515.16 - Step 5: Solve for x
x = 216,470,717,115,515.16/19,998,745.84 - Step 6: Final answer
x = 10,824,214.62
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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.