Finding the Fourth Proportional to 47,408,943.43, 71,113,442.64 and 13,330,289.31
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Solution
The fourth proportional to 47,408,943.43, 71,113,442.64 and 13,330,289.31 is: 19,995,441.69
Step by Step Solution
- Step 1: Write the proportion equation
47,408,943.43 : 71,113,442.64 = 13,330,289.31 : x - Step 2: Convert to fraction form
47,408,943.43/71,113,442.64 = 13,330,289.31/x - Step 3: Cross multiply
47,408,943.43x = 71,113,442.64 × 13,330,289.31 - Step 4: Simplify right side
47,408,943.43x = 947,962,763,904,626.25 - Step 5: Solve for x
x = 947,962,763,904,626.25/47,408,943.43 - Step 6: Final answer
x = 19,995,441.69
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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.