Finding the Fourth Proportional to 43,455,983.12, 65,143,451.62 and 14,681,995.91
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Solution
The fourth proportional to 43,455,983.12, 65,143,451.62 and 14,681,995.91 is: 22,009,302.78
Step by Step Solution
- Step 1: Write the proportion equation
43,455,983.12 : 65,143,451.62 = 14,681,995.91 : x - Step 2: Convert to fraction form
43,455,983.12/65,143,451.62 = 14,681,995.91/x - Step 3: Cross multiply
43,455,983.12x = 65,143,451.62 × 14,681,995.91 - Step 4: Simplify right side
43,455,983.12x = 956,435,890,143,745.50 - Step 5: Solve for x
x = 956,435,890,143,745.50/43,455,983.12 - Step 6: Final answer
x = 22,009,302.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.