Finding the Fourth Proportional to 43,603,562.96, 65,414,921.36 and 12,895,748.26
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Solution
The fourth proportional to 43,603,562.96, 65,414,921.36 and 12,895,748.26 is: 19,346,454.76
Step by Step Solution
- Step 1: Write the proportion equation
43,603,562.96 : 65,414,921.36 = 12,895,748.26 : x - Step 2: Convert to fraction form
43,603,562.96/65,414,921.36 = 12,895,748.26/x - Step 3: Cross multiply
43,603,562.96x = 65,414,921.36 × 12,895,748.26 - Step 4: Simplify right side
43,603,562.96x = 843,574,357,979,182.25 - Step 5: Solve for x
x = 843,574,357,979,182.25/43,603,562.96 - Step 6: Final answer
x = 19,346,454.76
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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.