Finding the Fourth Proportional to 13,052,572.62, 19,483,048.13 and 12,090,664.42
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Solution
The fourth proportional to 13,052,572.62, 19,483,048.13 and 12,090,664.42 is: 18,047,246.60
Step by Step Solution
- Step 1: Write the proportion equation
13,052,572.62 : 19,483,048.13 = 12,090,664.42 : x - Step 2: Convert to fraction form
13,052,572.62/19,483,048.13 = 12,090,664.42/x - Step 3: Cross multiply
13,052,572.62x = 19,483,048.13 × 12,090,664.42 - Step 4: Simplify right side
13,052,572.62x = 235,562,996,818,538.53 - Step 5: Solve for x
x = 235,562,996,818,538.53/13,052,572.62 - Step 6: Final answer
x = 18,047,246.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.