Finding the Fourth Proportional to 18,201,658.79, 25,118,248.58 and 10,466,701.79
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Solution
The fourth proportional to 18,201,658.79, 25,118,248.58 and 10,466,701.79 is: 14,444,025.16
Step by Step Solution
- Step 1: Write the proportion equation
18,201,658.79 : 25,118,248.58 = 10,466,701.79 : x - Step 2: Convert to fraction form
18,201,658.79/25,118,248.58 = 10,466,701.79/x - Step 3: Cross multiply
18,201,658.79x = 25,118,248.58 × 10,466,701.79 - Step 4: Simplify right side
18,201,658.79x = 262,905,217,435,452.16 - Step 5: Solve for x
x = 262,905,217,435,452.16/18,201,658.79 - Step 6: Final answer
x = 14,444,025.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.