Finding the Fourth Proportional to 43,603,899.84, 65,415,980.16 and 14,850,285.12
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Solution
The fourth proportional to 43,603,899.84, 65,415,980.16 and 14,850,285.12 is: 22,278,877.81
Step by Step Solution
- Step 1: Write the proportion equation
43,603,899.84 : 65,415,980.16 = 14,850,285.12 : x - Step 2: Convert to fraction form
43,603,899.84/65,415,980.16 = 14,850,285.12/x - Step 3: Cross multiply
43,603,899.84x = 65,415,980.16 × 14,850,285.12 - Step 4: Simplify right side
43,603,899.84x = 971,445,956,780,263.12 - Step 5: Solve for x
x = 971,445,956,780,263.12/43,603,899.84 - Step 6: Final answer
x = 22,278,877.81
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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.