Finding the Fourth Proportional to 19,516,441.88, 29,276,099.22 and 5,139,408.44
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Solution
The fourth proportional to 19,516,441.88, 29,276,099.22 and 5,139,408.44 is: 7,709,490.92
Step by Step Solution
- Step 1: Write the proportion equation
19,516,441.88 : 29,276,099.22 = 5,139,408.44 : x - Step 2: Convert to fraction form
19,516,441.88/29,276,099.22 = 5,139,408.44/x - Step 3: Cross multiply
19,516,441.88x = 29,276,099.22 × 5,139,408.44 - Step 4: Simplify right side
19,516,441.88x = 150,461,831,421,545.44 - Step 5: Solve for x
x = 150,461,831,421,545.44/19,516,441.88 - Step 6: Final answer
x = 7,709,490.92
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1.5x scale
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.