Finding the Fourth Proportional to 10,368,864.05, 15,553,296.08 and 9,780,998.45
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Solution
The fourth proportional to 10,368,864.05, 15,553,296.08 and 9,780,998.45 is: 14,671,497.68
Step by Step Solution
- Step 1: Write the proportion equation
10,368,864.05 : 15,553,296.08 = 9,780,998.45 : x - Step 2: Convert to fraction form
10,368,864.05/15,553,296.08 = 9,780,998.45/x - Step 3: Cross multiply
10,368,864.05x = 15,553,296.08 × 9,780,998.45 - Step 4: Simplify right side
10,368,864.05x = 152,126,764,850,871.06 - Step 5: Solve for x
x = 152,126,764,850,871.06/10,368,864.05 - Step 6: Final answer
x = 14,671,497.68
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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.