Finding the Fourth Proportional to 19,652,554.80, 29,478,832.20 and 16,463,908.80
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Solution
The fourth proportional to 19,652,554.80, 29,478,832.20 and 16,463,908.80 is: 24,695,863.20
Step by Step Solution
- Step 1: Write the proportion equation
19,652,554.80 : 29,478,832.20 = 16,463,908.80 : x - Step 2: Convert to fraction form
19,652,554.80/29,478,832.20 = 16,463,908.80/x - Step 3: Cross multiply
19,652,554.80x = 29,478,832.20 × 16,463,908.80 - Step 4: Simplify right side
19,652,554.80x = 485,336,804,871,303.38 - Step 5: Solve for x
x = 485,336,804,871,303.38/19,652,554.80 - Step 6: Final answer
x = 24,695,863.20
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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.