Finding the Fourth Proportional to 22,742,197.94, 34,103,586.62 and 13,164,187.70
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Solution
The fourth proportional to 22,742,197.94, 34,103,586.62 and 13,164,187.70 is: 19,740,660.80
Step by Step Solution
- Step 1: Write the proportion equation
22,742,197.94 : 34,103,586.62 = 13,164,187.70 : x - Step 2: Convert to fraction form
22,742,197.94/34,103,586.62 = 13,164,187.70/x - Step 3: Cross multiply
22,742,197.94x = 34,103,586.62 × 13,164,187.70 - Step 4: Simplify right side
22,742,197.94x = 448,946,015,272,549.75 - Step 5: Solve for x
x = 448,946,015,272,549.75/22,742,197.94 - Step 6: Final answer
x = 19,740,660.80
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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.