Finding the Fourth Proportional to 8,860,841.80, 13,291,262.70 and 6,621,353.80
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Solution
The fourth proportional to 8,860,841.80, 13,291,262.70 and 6,621,353.80 is: 9,932,030.70
Step by Step Solution
- Step 1: Write the proportion equation
8,860,841.80 : 13,291,262.70 = 6,621,353.80 : x - Step 2: Convert to fraction form
8,860,841.80/13,291,262.70 = 6,621,353.80/x - Step 3: Cross multiply
8,860,841.80x = 13,291,262.70 × 6,621,353.80 - Step 4: Simplify right side
8,860,841.80x = 88,006,152,785,443.25 - Step 5: Solve for x
x = 88,006,152,785,443.25/8,860,841.80 - Step 6: Final answer
x = 9,932,030.70
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1.5x scale
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.