Finding the Fourth Proportional to 19,483,323.20, 29,224,984.80 and 5,106,363.20
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Solution
The fourth proportional to 19,483,323.20, 29,224,984.80 and 5,106,363.20 is: 7,659,544.80
Step by Step Solution
- Step 1: Write the proportion equation
19,483,323.20 : 29,224,984.80 = 5,106,363.20 : x - Step 2: Convert to fraction form
19,483,323.20/29,224,984.80 = 5,106,363.20/x - Step 3: Cross multiply
19,483,323.20x = 29,224,984.80 × 5,106,363.20 - Step 4: Simplify right side
19,483,323.20x = 149,233,386,903,279.38 - Step 5: Solve for x
x = 149,233,386,903,279.38/19,483,323.20 - Step 6: Final answer
x = 7,659,544.80
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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.