Finding the Fourth Proportional to 10,176,774.58, 15,265,084.11 and 2,603,728.18
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Solution
The fourth proportional to 10,176,774.58, 15,265,084.11 and 2,603,728.18 is: 3,905,572.38
Step by Step Solution
- Step 1: Write the proportion equation
10,176,774.58 : 15,265,084.11 = 2,603,728.18 : x - Step 2: Convert to fraction form
10,176,774.58/15,265,084.11 = 2,603,728.18/x - Step 3: Cross multiply
10,176,774.58x = 15,265,084.11 × 2,603,728.18 - Step 4: Simplify right side
10,176,774.58x = 39,746,129,667,277.22 - Step 5: Solve for x
x = 39,746,129,667,277.22/10,176,774.58 - Step 6: Final answer
x = 3,905,572.38
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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.