Finding the Fourth Proportional to 14,290,758.99, 19,724,365.49 and 8,788,867.20
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Solution
The fourth proportional to 14,290,758.99, 19,724,365.49 and 8,788,867.20 is: 12,130,554.37
Step by Step Solution
- Step 1: Write the proportion equation
14,290,758.99 : 19,724,365.49 = 8,788,867.20 : x - Step 2: Convert to fraction form
14,290,758.99/19,724,365.49 = 8,788,867.20/x - Step 3: Cross multiply
14,290,758.99x = 19,724,365.49 × 8,788,867.20 - Step 4: Simplify right side
14,290,758.99x = 173,354,828,851,928.56 - Step 5: Solve for x
x = 173,354,828,851,928.56/14,290,758.99 - Step 6: Final answer
x = 12,130,554.37
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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.