Finding the Fourth Proportional to 18,018,335.87, 27,032,110.85 and 5,238,840.56
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Solution
The fourth proportional to 18,018,335.87, 27,032,110.85 and 5,238,840.56 is: 7,859,600.34
Step by Step Solution
- Step 1: Write the proportion equation
18,018,335.87 : 27,032,110.85 = 5,238,840.56 : x - Step 2: Convert to fraction form
18,018,335.87/27,032,110.85 = 5,238,840.56/x - Step 3: Cross multiply
18,018,335.87x = 27,032,110.85 × 5,238,840.56 - Step 4: Simplify right side
18,018,335.87x = 141,616,918,743,396.06 - Step 5: Solve for x
x = 141,616,918,743,396.06/18,018,335.87 - Step 6: Final answer
x = 7,859,600.34
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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.