Finding the Fourth Proportional to 40,387,578.77, 55,739,246.70 and 24,917,265.65
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Solution
The fourth proportional to 40,387,578.77, 55,739,246.70 and 24,917,265.65 is: 34,388,533.79
Step by Step Solution
- Step 1: Write the proportion equation
40,387,578.77 : 55,739,246.70 = 24,917,265.65 : x - Step 2: Convert to fraction form
40,387,578.77/55,739,246.70 = 24,917,265.65/x - Step 3: Cross multiply
40,387,578.77x = 55,739,246.70 × 24,917,265.65 - Step 4: Simplify right side
40,387,578.77x = 1,388,869,616,876,089.75 - Step 5: Solve for x
x = 1,388,869,616,876,089.75/40,387,578.77 - Step 6: Final answer
x = 34,388,533.79
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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.