Finding the Fourth Proportional to 38,838,963.89, 58,266,120.48 and 14,247,118.87
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Solution
The fourth proportional to 38,838,963.89, 58,266,120.48 and 14,247,118.87 is: 21,373,493.56
Step by Step Solution
- Step 1: Write the proportion equation
38,838,963.89 : 58,266,120.48 = 14,247,118.87 : x - Step 2: Convert to fraction form
38,838,963.89/58,266,120.48 = 14,247,118.87/x - Step 3: Cross multiply
38,838,963.89x = 58,266,120.48 × 14,247,118.87 - Step 4: Simplify right side
38,838,963.89x = 830,124,344,572,301.38 - Step 5: Solve for x
x = 830,124,344,572,301.38/38,838,963.89 - Step 6: Final answer
x = 21,373,493.56
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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.