Finding the Fourth Proportional to 7,763,316.09, 10,713,420.14 and 4,502,067.18
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Solution
The fourth proportional to 7,763,316.09, 10,713,420.14 and 4,502,067.18 is: 6,212,878.18
Step by Step Solution
- Step 1: Write the proportion equation
7,763,316.09 : 10,713,420.14 = 4,502,067.18 : x - Step 2: Convert to fraction form
7,763,316.09/10,713,420.14 = 4,502,067.18/x - Step 3: Cross multiply
7,763,316.09x = 10,713,420.14 × 4,502,067.18 - Step 4: Simplify right side
7,763,316.09x = 48,232,537,175,334.66 - Step 5: Solve for x
x = 48,232,537,175,334.66/7,763,316.09 - Step 6: Final answer
x = 6,212,878.18
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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.