Finding the Fourth Proportional to 13,185,991.58, 19,785,731.88 and 6,277,277.03
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Solution
The fourth proportional to 13,185,991.58, 19,785,731.88 and 6,277,277.03 is: 9,419,126.31
Step by Step Solution
- Step 1: Write the proportion equation
13,185,991.58 : 19,785,731.88 = 6,277,277.03 : x - Step 2: Convert to fraction form
13,185,991.58/19,785,731.88 = 6,277,277.03/x - Step 3: Cross multiply
13,185,991.58x = 19,785,731.88 × 6,277,277.03 - Step 4: Simplify right side
13,185,991.58x = 124,200,520,153,134.06 - Step 5: Solve for x
x = 124,200,520,153,134.06/13,185,991.58 - Step 6: Final answer
x = 9,419,126.31
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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.