Finding the Fourth Proportional to 19,104,035.28, 28,667,801.36 and 7,587,487.68
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Solution
The fourth proportional to 19,104,035.28, 28,667,801.36 and 7,587,487.68 is: 11,385,897.61
Step by Step Solution
- Step 1: Write the proportion equation
19,104,035.28 : 28,667,801.36 = 7,587,487.68 : x - Step 2: Convert to fraction form
19,104,035.28/28,667,801.36 = 7,587,487.68/x - Step 3: Cross multiply
19,104,035.28x = 28,667,801.36 × 7,587,487.68 - Step 4: Simplify right side
19,104,035.28x = 217,516,589,631,687.22 - Step 5: Solve for x
x = 217,516,589,631,687.22/19,104,035.28 - Step 6: Final answer
x = 11,385,897.61
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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.