Finding the Fourth Proportional to 10,385,555.42, 15,564,408.10 and 8,082,829.08
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Solution
The fourth proportional to 10,385,555.42, 15,564,408.10 and 8,082,829.08 is: 12,113,406.10
Step by Step Solution
- Step 1: Write the proportion equation
10,385,555.42 : 15,564,408.10 = 8,082,829.08 : x - Step 2: Convert to fraction form
10,385,555.42/15,564,408.10 = 8,082,829.08/x - Step 3: Cross multiply
10,385,555.42x = 15,564,408.10 × 8,082,829.08 - Step 4: Simplify right side
10,385,555.42x = 125,804,450,363,253.41 - Step 5: Solve for x
x = 125,804,450,363,253.41/10,385,555.42 - Step 6: Final answer
x = 12,113,406.10
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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.