Finding the Fourth Proportional to 13,044,570.66, 19,566,730.67 and 7,928,412.21
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Solution
The fourth proportional to 13,044,570.66, 19,566,730.67 and 7,928,412.21 is: 11,892,542.14
Step by Step Solution
- Step 1: Write the proportion equation
13,044,570.66 : 19,566,730.67 = 7,928,412.21 : x - Step 2: Convert to fraction form
13,044,570.66/19,566,730.67 = 7,928,412.21/x - Step 3: Cross multiply
13,044,570.66x = 19,566,730.67 × 7,928,412.21 - Step 4: Simplify right side
13,044,570.66x = 155,133,106,314,167.41 - Step 5: Solve for x
x = 155,133,106,314,167.41/13,044,570.66 - Step 6: Final answer
x = 11,892,542.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.