Finding the Fourth Proportional to 7,497,058.95, 10,338,208.61 and 6,412,919.31
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Solution
The fourth proportional to 7,497,058.95, 10,338,208.61 and 6,412,919.31 is: 8,843,214.12
Step by Step Solution
- Step 1: Write the proportion equation
7,497,058.95 : 10,338,208.61 = 6,412,919.31 : x - Step 2: Convert to fraction form
7,497,058.95/10,338,208.61 = 6,412,919.31/x - Step 3: Cross multiply
7,497,058.95x = 10,338,208.61 × 6,412,919.31 - Step 4: Simplify right side
7,497,058.95x = 66,298,097,593,812.66 - Step 5: Solve for x
x = 66,298,097,593,812.66/7,497,058.95 - Step 6: Final answer
x = 8,843,214.12
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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.