Finding the Fourth Proportional to 8,663,296.88, 11,955,490.66 and 4,742,986.84
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Solution
The fourth proportional to 8,663,296.88, 11,955,490.66 and 4,742,986.84 is: 6,545,399.02
Step by Step Solution
- Step 1: Write the proportion equation
8,663,296.88 : 11,955,490.66 = 4,742,986.84 : x - Step 2: Convert to fraction form
8,663,296.88/11,955,490.66 = 4,742,986.84/x - Step 3: Cross multiply
8,663,296.88x = 11,955,490.66 × 4,742,986.84 - Step 4: Simplify right side
8,663,296.88x = 56,704,734,866,122.91 - Step 5: Solve for x
x = 56,704,734,866,122.91/8,663,296.88 - Step 6: Final answer
x = 6,545,399.02
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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.