Finding the Fourth Proportional to 13,927,347.07, 20,889,782.02 and 4,829,240.95
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Solution
The fourth proportional to 13,927,347.07, 20,889,782.02 and 4,829,240.95 is: 7,243,431.95
Step by Step Solution
- Step 1: Write the proportion equation
13,927,347.07 : 20,889,782.02 = 4,829,240.95 : x - Step 2: Convert to fraction form
13,927,347.07/20,889,782.02 = 4,829,240.95/x - Step 3: Cross multiply
13,927,347.07x = 20,889,782.02 × 4,829,240.95 - Step 4: Simplify right side
13,927,347.07x = 100,881,790,767,557.72 - Step 5: Solve for x
x = 100,881,790,767,557.72/13,927,347.07 - Step 6: Final answer
x = 7,243,431.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.