Finding the Fourth Proportional to 23,119,503.44, 31,905,965.16 and 12,806,225.36
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Solution
The fourth proportional to 23,119,503.44, 31,905,965.16 and 12,806,225.36 is: 17,673,172.84
Step by Step Solution
- Step 1: Write the proportion equation
23,119,503.44 : 31,905,965.16 = 12,806,225.36 : x - Step 2: Convert to fraction form
23,119,503.44/31,905,965.16 = 12,806,225.36/x - Step 3: Cross multiply
23,119,503.44x = 31,905,965.16 × 12,806,225.36 - Step 4: Simplify right side
23,119,503.44x = 408,594,980,167,268.44 - Step 5: Solve for x
x = 408,594,980,167,268.44/23,119,503.44 - Step 6: Final answer
x = 17,673,172.84
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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.