Finding the Fourth Proportional to 16,605,231.80, 24,918,345.30 and 9,781,791.80
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Solution
The fourth proportional to 16,605,231.80, 24,918,345.30 and 9,781,791.80 is: 14,678,871.61
Step by Step Solution
- Step 1: Write the proportion equation
16,605,231.80 : 24,918,345.30 = 9,781,791.80 : x - Step 2: Convert to fraction form
16,605,231.80/24,918,345.30 = 9,781,791.80/x - Step 3: Cross multiply
16,605,231.80x = 24,918,345.30 × 9,781,791.80 - Step 4: Simplify right side
16,605,231.80x = 243,746,065,725,108.56 - Step 5: Solve for x
x = 243,746,065,725,108.56/16,605,231.80 - Step 6: Final answer
x = 14,678,871.61
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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.