Finding the Fourth Proportional to 33,215,108.70, 49,822,663.05 and 27,156,681.30
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Solution
The fourth proportional to 33,215,108.70, 49,822,663.05 and 27,156,681.30 is: 40,735,021.95
Step by Step Solution
- Step 1: Write the proportion equation
33,215,108.70 : 49,822,663.05 = 27,156,681.30 : x - Step 2: Convert to fraction form
33,215,108.70/49,822,663.05 = 27,156,681.30/x - Step 3: Cross multiply
33,215,108.70x = 49,822,663.05 × 27,156,681.30 - Step 4: Simplify right side
33,215,108.70x = 1,353,018,181,966,136 - Step 5: Solve for x
x = 1,353,018,181,966,136/33,215,108.70 - Step 6: Final answer
x = 40,735,021.95
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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.