Finding the Fourth Proportional to 19,539,389.57, 29,311,708.75 and 7,413,349.37
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Solution
The fourth proportional to 19,539,389.57, 29,311,708.75 and 7,413,349.37 is: 11,121,019.76
Step by Step Solution
- Step 1: Write the proportion equation
19,539,389.57 : 29,311,708.75 = 7,413,349.37 : x - Step 2: Convert to fraction form
19,539,389.57/29,311,708.75 = 7,413,349.37/x - Step 3: Cross multiply
19,539,389.57x = 29,311,708.75 × 7,413,349.37 - Step 4: Simplify right side
19,539,389.57x = 217,297,937,430,344.06 - Step 5: Solve for x
x = 217,297,937,430,344.06/19,539,389.57 - Step 6: Final answer
x = 11,121,019.76
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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.