Finding the Fourth Proportional to 8,587,101.60, 12,901,647.60 and 6,461,337.60
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Solution
The fourth proportional to 8,587,101.60, 12,901,647.60 and 6,461,337.60 is: 9,707,804.17
Step by Step Solution
- Step 1: Write the proportion equation
8,587,101.60 : 12,901,647.60 = 6,461,337.60 : x - Step 2: Convert to fraction form
8,587,101.60/12,901,647.60 = 6,461,337.60/x - Step 3: Cross multiply
8,587,101.60x = 12,901,647.60 × 6,461,337.60 - Step 4: Simplify right side
8,587,101.60x = 83,361,900,739,829.75 - Step 5: Solve for x
x = 83,361,900,739,829.75/8,587,101.60 - Step 6: Final answer
x = 9,707,804.17
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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.