Finding the Fourth Proportional to 15,514,420.88, 23,239,905.24 and 12,646,010
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Solution
The fourth proportional to 15,514,420.88, 23,239,905.24 and 12,646,010 is: 18,943,154.65
Step by Step Solution
- Step 1: Write the proportion equation
15,514,420.88 : 23,239,905.24 = 12,646,010 : x - Step 2: Convert to fraction form
15,514,420.88/23,239,905.24 = 12,646,010/x - Step 3: Cross multiply
15,514,420.88x = 23,239,905.24 × 12,646,010 - Step 4: Simplify right side
15,514,420.88x = 293,892,074,064,092.38 - Step 5: Solve for x
x = 293,892,074,064,092.38/15,514,420.88 - Step 6: Final answer
x = 18,943,154.65
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1.5x scale
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.