Finding the Fourth Proportional to 21,998,102.04, 30,343,572.18 and 13,050,877.68
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Solution
The fourth proportional to 21,998,102.04, 30,343,572.18 and 13,050,877.68 is: 18,002,018.91
Step by Step Solution
- Step 1: Write the proportion equation
21,998,102.04 : 30,343,572.18 = 13,050,877.68 : x - Step 2: Convert to fraction form
21,998,102.04/30,343,572.18 = 13,050,877.68/x - Step 3: Cross multiply
21,998,102.04x = 30,343,572.18 × 13,050,877.68 - Step 4: Simplify right side
21,998,102.04x = 396,010,248,895,430.94 - Step 5: Solve for x
x = 396,010,248,895,430.94/21,998,102.04 - Step 6: Final answer
x = 18,002,018.91
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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.