Finding the Fourth Proportional to 14,291,903.47, 21,437,812.79 and 4,056,771.92
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Solution
The fourth proportional to 14,291,903.47, 21,437,812.79 and 4,056,771.92 is: 6,085,145.84
Step by Step Solution
- Step 1: Write the proportion equation
14,291,903.47 : 21,437,812.79 = 4,056,771.92 : x - Step 2: Convert to fraction form
14,291,903.47/21,437,812.79 = 4,056,771.92/x - Step 3: Cross multiply
14,291,903.47x = 21,437,812.79 × 4,056,771.92 - Step 4: Simplify right side
14,291,903.47x = 86,968,316,961,016.52 - Step 5: Solve for x
x = 86,968,316,961,016.52/14,291,903.47 - Step 6: Final answer
x = 6,085,145.84
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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.