Finding the Fourth Proportional to 47,408,945.55, 71,113,445.84 and 13,330,291.42
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Solution
The fourth proportional to 47,408,945.55, 71,113,445.84 and 13,330,291.42 is: 19,995,444.87
Step by Step Solution
- Step 1: Write the proportion equation
47,408,945.55 : 71,113,445.84 = 13,330,291.42 : x - Step 2: Convert to fraction form
47,408,945.55/71,113,445.84 = 13,330,291.42/x - Step 3: Cross multiply
47,408,945.55x = 71,113,445.84 × 13,330,291.42 - Step 4: Simplify right side
47,408,945.55x = 947,962,956,927,586.75 - Step 5: Solve for x
x = 947,962,956,927,586.75/47,408,945.55 - Step 6: Final answer
x = 19,995,444.87
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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.