Finding the Fourth Proportional to 16,470,295.30, 22,729,009.62 and 9,128,602.42
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Solution
The fourth proportional to 16,470,295.30, 22,729,009.62 and 9,128,602.42 is: 12,597,472.51
Step by Step Solution
- Step 1: Write the proportion equation
16,470,295.30 : 22,729,009.62 = 9,128,602.42 : x - Step 2: Convert to fraction form
16,470,295.30/22,729,009.62 = 9,128,602.42/x - Step 3: Cross multiply
16,470,295.30x = 22,729,009.62 × 9,128,602.42 - Step 4: Simplify right side
16,470,295.30x = 207,484,092,221,335.28 - Step 5: Solve for x
x = 207,484,092,221,335.28/16,470,295.30 - Step 6: Final answer
x = 12,597,472.51
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1.5x scale
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.