Finding the Fourth Proportional to 19,009,822.20, 28,514,474.10 and 6,230,743.80
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Solution
The fourth proportional to 19,009,822.20, 28,514,474.10 and 6,230,743.80 is: 9,346,030.74
Step by Step Solution
- Step 1: Write the proportion equation
19,009,822.20 : 28,514,474.10 = 6,230,743.80 : x - Step 2: Convert to fraction form
19,009,822.20/28,514,474.10 = 6,230,743.80/x - Step 3: Cross multiply
19,009,822.20x = 28,514,474.10 × 6,230,743.80 - Step 4: Simplify right side
19,009,822.20x = 177,666,382,708,835.59 - Step 5: Solve for x
x = 177,666,382,708,835.59/19,009,822.20 - Step 6: Final answer
x = 9,346,030.74
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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.