Finding the Fourth Proportional to 7,888,363.08, 10,885,951.54 and 4,450,923.96
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Solution
The fourth proportional to 7,888,363.08, 10,885,951.54 and 4,450,923.96 is: 6,142,280.98
Step by Step Solution
- Step 1: Write the proportion equation
7,888,363.08 : 10,885,951.54 = 4,450,923.96 : x - Step 2: Convert to fraction form
7,888,363.08/10,885,951.54 = 4,450,923.96/x - Step 3: Cross multiply
7,888,363.08x = 10,885,951.54 × 4,450,923.96 - Step 4: Simplify right side
7,888,363.08x = 48,452,542,536,784.89 - Step 5: Solve for x
x = 48,452,542,536,784.89/7,888,363.08 - Step 6: Final answer
x = 6,142,280.98
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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.