Finding the Fourth Proportional to 19,483,251.80, 29,226,720.90 and 5,299,827.80
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Solution
The fourth proportional to 19,483,251.80, 29,226,720.90 and 5,299,827.80 is: 7,950,243.09
Step by Step Solution
- Step 1: Write the proportion equation
19,483,251.80 : 29,226,720.90 = 5,299,827.80 : x - Step 2: Convert to fraction form
19,483,251.80/29,226,720.90 = 5,299,827.80/x - Step 3: Cross multiply
19,483,251.80x = 29,226,720.90 × 5,299,827.80 - Step 4: Simplify right side
19,483,251.80x = 154,896,587,928,661 - Step 5: Solve for x
x = 154,896,587,928,661/19,483,251.80 - Step 6: Final answer
x = 7,950,243.09
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1.5x scale
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.