Finding the Fourth Proportional to 46,267,750.12, 69,420,681.18 and 20,346,726.12
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Solution
The fourth proportional to 46,267,750.12, 69,420,681.18 and 20,346,726.12 is: 30,528,469.25
Step by Step Solution
- Step 1: Write the proportion equation
46,267,750.12 : 69,420,681.18 = 20,346,726.12 : x - Step 2: Convert to fraction form
46,267,750.12/69,420,681.18 = 20,346,726.12/x - Step 3: Cross multiply
46,267,750.12x = 69,420,681.18 × 20,346,726.12 - Step 4: Simplify right side
46,267,750.12x = 1,412,483,587,033,298.75 - Step 5: Solve for x
x = 1,412,483,587,033,298.75/46,267,750.12 - Step 6: Final answer
x = 30,528,469.25
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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.