Finding the Fourth Proportional to 62,110,642.48, 93,165,963.74 and 18,979,472.54
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Solution
The fourth proportional to 62,110,642.48, 93,165,963.74 and 18,979,472.54 is: 28,469,208.82
Step by Step Solution
- Step 1: Write the proportion equation
62,110,642.48 : 93,165,963.74 = 18,979,472.54 : x - Step 2: Convert to fraction form
62,110,642.48/93,165,963.74 = 18,979,472.54/x - Step 3: Cross multiply
62,110,642.48x = 93,165,963.74 × 18,979,472.54 - Step 4: Simplify right side
62,110,642.48x = 1,768,240,850,465,965.50 - Step 5: Solve for x
x = 1,768,240,850,465,965.50/62,110,642.48 - Step 6: Final answer
x = 28,469,208.82
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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.