Finding the Fourth Proportional to 19,427,355.76, 26,833,606.68 and 14,554,378.48
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Solution
The fourth proportional to 19,427,355.76, 26,833,606.68 and 14,554,378.48 is: 20,102,914.28
Step by Step Solution
- Step 1: Write the proportion equation
19,427,355.76 : 26,833,606.68 = 14,554,378.48 : x - Step 2: Convert to fraction form
19,427,355.76/26,833,606.68 = 14,554,378.48/x - Step 3: Cross multiply
19,427,355.76x = 26,833,606.68 × 14,554,378.48 - Step 4: Simplify right side
19,427,355.76x = 390,546,467,604,176.25 - Step 5: Solve for x
x = 390,546,467,604,176.25/19,427,355.76 - Step 6: Final answer
x = 20,102,914.28
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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.