Finding the Fourth Proportional to 38,789,671.13, 58,184,798.36 and 17,218,473.65
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Solution
The fourth proportional to 38,789,671.13, 58,184,798.36 and 17,218,473.65 is: 25,827,839.94
Step by Step Solution
- Step 1: Write the proportion equation
38,789,671.13 : 58,184,798.36 = 17,218,473.65 : x - Step 2: Convert to fraction form
38,789,671.13/58,184,798.36 = 17,218,473.65/x - Step 3: Cross multiply
38,789,671.13x = 58,184,798.36 × 17,218,473.65 - Step 4: Simplify right side
38,789,671.13x = 1,001,853,417,015,206.75 - Step 5: Solve for x
x = 1,001,853,417,015,206.75/38,789,671.13 - Step 6: Final answer
x = 25,827,839.94
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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.