Finding the Fourth Proportional to 21,564,903.48, 29,759,710.92 and 11,775,415.98
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Solution
The fourth proportional to 21,564,903.48, 29,759,710.92 and 11,775,415.98 is: 16,250,152.75
Step by Step Solution
- Step 1: Write the proportion equation
21,564,903.48 : 29,759,710.92 = 11,775,415.98 : x - Step 2: Convert to fraction form
21,564,903.48/29,759,710.92 = 11,775,415.98/x - Step 3: Cross multiply
21,564,903.48x = 29,759,710.92 × 11,775,415.98 - Step 4: Simplify right side
21,564,903.48x = 350,432,975,527,548.56 - Step 5: Solve for x
x = 350,432,975,527,548.56/21,564,903.48 - Step 6: Final answer
x = 16,250,152.75
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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.