Finding the Fourth Proportional to 7,634,122.75, 10,535,111.27 and 4,370,987.53
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Solution
The fourth proportional to 7,634,122.75, 10,535,111.27 and 4,370,987.53 is: 6,031,975.32
Step by Step Solution
- Step 1: Write the proportion equation
7,634,122.75 : 10,535,111.27 = 4,370,987.53 : x - Step 2: Convert to fraction form
7,634,122.75/10,535,111.27 = 4,370,987.53/x - Step 3: Cross multiply
7,634,122.75x = 10,535,111.27 × 4,370,987.53 - Step 4: Simplify right side
7,634,122.75x = 46,048,839,988,332.46 - Step 5: Solve for x
x = 46,048,839,988,332.46/7,634,122.75 - Step 6: Final answer
x = 6,031,975.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.