Finding the Fourth Proportional to 13,572,864.76, 18,730,183.50 and 7,461,294.84
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Solution
The fourth proportional to 13,572,864.76, 18,730,183.50 and 7,461,294.84 is: 10,296,383.55
Step by Step Solution
- Step 1: Write the proportion equation
13,572,864.76 : 18,730,183.50 = 7,461,294.84 : x - Step 2: Convert to fraction form
13,572,864.76/18,730,183.50 = 7,461,294.84/x - Step 3: Cross multiply
13,572,864.76x = 18,730,183.50 × 7,461,294.84 - Step 4: Simplify right side
13,572,864.76x = 139,751,421,500,803.14 - Step 5: Solve for x
x = 139,751,421,500,803.14/13,572,864.76 - Step 6: Final answer
x = 10,296,383.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.