Finding the Fourth Proportional to 19,720,927.75, 29,584,570.08 and 6,074,069.62
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Solution
The fourth proportional to 19,720,927.75, 29,584,570.08 and 6,074,069.62 is: 9,112,083.40
Step by Step Solution
- Step 1: Write the proportion equation
19,720,927.75 : 29,584,570.08 = 6,074,069.62 : x - Step 2: Convert to fraction form
19,720,927.75/29,584,570.08 = 6,074,069.62/x - Step 3: Cross multiply
19,720,927.75x = 29,584,570.08 × 6,074,069.62 - Step 4: Simplify right side
19,720,927.75x = 179,698,738,343,688.97 - Step 5: Solve for x
x = 179,698,738,343,688.97/19,720,927.75 - Step 6: Final answer
x = 9,112,083.40
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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.