Finding the Fourth Proportional to 31,121,284.44, 46,687,977.36 and 11,950,632.12
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Solution
The fourth proportional to 31,121,284.44, 46,687,977.36 and 11,950,632.12 is: 17,928,271.66
Step by Step Solution
- Step 1: Write the proportion equation
31,121,284.44 : 46,687,977.36 = 11,950,632.12 : x - Step 2: Convert to fraction form
31,121,284.44/46,687,977.36 = 11,950,632.12/x - Step 3: Cross multiply
31,121,284.44x = 46,687,977.36 × 11,950,632.12 - Step 4: Simplify right side
31,121,284.44x = 557,950,841,856,248.75 - Step 5: Solve for x
x = 557,950,841,856,248.75/31,121,284.44 - Step 6: Final answer
x = 17,928,271.66
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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.