Finding the Fourth Proportional to 11,214,128.15, 15,475,503.63 and 6,057,491.98
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Solution
The fourth proportional to 11,214,128.15, 15,475,503.63 and 6,057,491.98 is: 8,359,342.59
Step by Step Solution
- Step 1: Write the proportion equation
11,214,128.15 : 15,475,503.63 = 6,057,491.98 : x - Step 2: Convert to fraction form
11,214,128.15/15,475,503.63 = 6,057,491.98/x - Step 3: Cross multiply
11,214,128.15x = 15,475,503.63 × 6,057,491.98 - Step 4: Simplify right side
11,214,128.15x = 93,742,739,128,557.09 - Step 5: Solve for x
x = 93,742,739,128,557.09/11,214,128.15 - Step 6: Final answer
x = 8,359,342.59
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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.