Finding the Fourth Proportional to 10,535,223.84, 15,802,720.56 and 2,557,047.84
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Solution
The fourth proportional to 10,535,223.84, 15,802,720.56 and 2,557,047.84 is: 3,835,543.80
Step by Step Solution
- Step 1: Write the proportion equation
10,535,223.84 : 15,802,720.56 = 2,557,047.84 : x - Step 2: Convert to fraction form
10,535,223.84/15,802,720.56 = 2,557,047.84/x - Step 3: Cross multiply
10,535,223.84x = 15,802,720.56 × 2,557,047.84 - Step 4: Simplify right side
10,535,223.84x = 40,408,312,474,071.59 - Step 5: Solve for x
x = 40,408,312,474,071.59/10,535,223.84 - Step 6: Final answer
x = 3,835,543.80
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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.