Finding the Fourth Proportional to 9,885,415.70, 14,828,123.55 and 5,904,103.70
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Solution
The fourth proportional to 9,885,415.70, 14,828,123.55 and 5,904,103.70 is: 8,856,155.55
Step by Step Solution
- Step 1: Write the proportion equation
9,885,415.70 : 14,828,123.55 = 5,904,103.70 : x - Step 2: Convert to fraction form
9,885,415.70/14,828,123.55 = 5,904,103.70/x - Step 3: Cross multiply
9,885,415.70x = 14,828,123.55 × 5,904,103.70 - Step 4: Simplify right side
9,885,415.70x = 87,546,779,115,612.14 - Step 5: Solve for x
x = 87,546,779,115,612.14/9,885,415.70 - Step 6: Final answer
x = 8,856,155.55
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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.