Finding the Fourth Proportional to 34,022,931.84, 46,952,779.68 and 18,553,862.88
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Solution
The fourth proportional to 34,022,931.84, 46,952,779.68 and 18,553,862.88 is: 25,604,949.04
Step by Step Solution
- Step 1: Write the proportion equation
34,022,931.84 : 46,952,779.68 = 18,553,862.88 : x - Step 2: Convert to fraction form
34,022,931.84/46,952,779.68 = 18,553,862.88/x - Step 3: Cross multiply
34,022,931.84x = 46,952,779.68 × 18,553,862.88 - Step 4: Simplify right side
34,022,931.84x = 871,155,436,017,570.25 - Step 5: Solve for x
x = 871,155,436,017,570.25/34,022,931.84 - Step 6: Final answer
x = 25,604,949.04
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1.5x scale
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.