Finding the Fourth Proportional to 14,177,980.88, 19,563,032.76 and 7,982,064.08
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Solution
The fourth proportional to 14,177,980.88, 19,563,032.76 and 7,982,064.08 is: 11,013,795.43
Step by Step Solution
- Step 1: Write the proportion equation
14,177,980.88 : 19,563,032.76 = 7,982,064.08 : x - Step 2: Convert to fraction form
14,177,980.88/19,563,032.76 = 7,982,064.08/x - Step 3: Cross multiply
14,177,980.88x = 19,563,032.76 × 7,982,064.08 - Step 4: Simplify right side
14,177,980.88x = 156,153,381,089,459.28 - Step 5: Solve for x
x = 156,153,381,089,459.28/14,177,980.88 - Step 6: Final answer
x = 11,013,795.43
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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.