Finding the Fourth Proportional to 12,307,501.80, 18,461,252.70 and 11,598,913.80
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Solution
The fourth proportional to 12,307,501.80, 18,461,252.70 and 11,598,913.80 is: 17,398,370.70
Step by Step Solution
- Step 1: Write the proportion equation
12,307,501.80 : 18,461,252.70 = 11,598,913.80 : x - Step 2: Convert to fraction form
12,307,501.80/18,461,252.70 = 11,598,913.80/x - Step 3: Cross multiply
12,307,501.80x = 18,461,252.70 × 11,598,913.80 - Step 4: Simplify right side
12,307,501.80x = 214,130,478,707,317.25 - Step 5: Solve for x
x = 214,130,478,707,317.25/12,307,501.80 - Step 6: Final answer
x = 17,398,370.70
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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.