Finding the Fourth Proportional to 8,678,593.30, 13,018,598.36 and 4,358,421.70
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Solution
The fourth proportional to 8,678,593.30, 13,018,598.36 and 4,358,421.70 is: 6,537,988.32
Step by Step Solution
- Step 1: Write the proportion equation
8,678,593.30 : 13,018,598.36 = 4,358,421.70 : x - Step 2: Convert to fraction form
8,678,593.30/13,018,598.36 = 4,358,421.70/x - Step 3: Cross multiply
8,678,593.30x = 13,018,598.36 × 4,358,421.70 - Step 4: Simplify right side
8,678,593.30x = 56,740,541,595,808.41 - Step 5: Solve for x
x = 56,740,541,595,808.41/8,678,593.30 - Step 6: Final answer
x = 6,537,988.32
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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.