Finding the Fourth Proportional to 13,176,349.95, 19,767,932.54 and 7,716,056.09
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Solution
The fourth proportional to 13,176,349.95, 19,767,932.54 and 7,716,056.09 is: 11,576,079.63
Step by Step Solution
- Step 1: Write the proportion equation
13,176,349.95 : 19,767,932.54 = 7,716,056.09 : x - Step 2: Convert to fraction form
13,176,349.95/19,767,932.54 = 7,716,056.09/x - Step 3: Cross multiply
13,176,349.95x = 19,767,932.54 × 7,716,056.09 - Step 4: Simplify right side
13,176,349.95x = 152,530,476,223,395.88 - Step 5: Solve for x
x = 152,530,476,223,395.88/13,176,349.95 - Step 6: Final answer
x = 11,576,079.63
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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.