Finding the Fourth Proportional to 19,720,926.75, 29,584,568.58 and 6,074,068.62
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Solution
The fourth proportional to 19,720,926.75, 29,584,568.58 and 6,074,068.62 is: 9,112,081.90
Step by Step Solution
- Step 1: Write the proportion equation
19,720,926.75 : 29,584,568.58 = 6,074,068.62 : x - Step 2: Convert to fraction form
19,720,926.75/29,584,568.58 = 6,074,068.62/x - Step 3: Cross multiply
19,720,926.75x = 29,584,568.58 × 6,074,068.62 - Step 4: Simplify right side
19,720,926.75x = 179,698,699,648,015.94 - Step 5: Solve for x
x = 179,698,699,648,015.94/19,720,926.75 - Step 6: Final answer
x = 9,112,081.90
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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.