Finding the Fourth Proportional to 19,160,234.43, 26,437,176.41 and 11,009,897.79
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Solution
The fourth proportional to 19,160,234.43, 26,437,176.41 and 11,009,897.79 is: 15,191,390.85
Step by Step Solution
- Step 1: Write the proportion equation
19,160,234.43 : 26,437,176.41 = 11,009,897.79 : x - Step 2: Convert to fraction form
19,160,234.43/26,437,176.41 = 11,009,897.79/x - Step 3: Cross multiply
19,160,234.43x = 26,437,176.41 × 11,009,897.79 - Step 4: Simplify right side
19,160,234.43x = 291,070,609,976,110.25 - Step 5: Solve for x
x = 291,070,609,976,110.25/19,160,234.43 - Step 6: Final answer
x = 15,191,390.85
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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.