Finding the Fourth Proportional to 34,934,798.81, 48,210,219.85 and 20,259,178.62
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Solution
The fourth proportional to 34,934,798.81, 48,210,219.85 and 20,259,178.62 is: 27,957,781.02
Step by Step Solution
- Step 1: Write the proportion equation
34,934,798.81 : 48,210,219.85 = 20,259,178.62 : x - Step 2: Convert to fraction form
34,934,798.81/48,210,219.85 = 20,259,178.62/x - Step 3: Cross multiply
34,934,798.81x = 48,210,219.85 × 20,259,178.62 - Step 4: Simplify right side
34,934,798.81x = 976,699,455,250,619.62 - Step 5: Solve for x
x = 976,699,455,250,619.62/34,934,798.81 - Step 6: Final answer
x = 27,957,781.02
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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.